CN111102498B - Light emitting device and window light simulation system - Google Patents
Light emitting device and window light simulation system Download PDFInfo
- Publication number
- CN111102498B CN111102498B CN202010017338.3A CN202010017338A CN111102498B CN 111102498 B CN111102498 B CN 111102498B CN 202010017338 A CN202010017338 A CN 202010017338A CN 111102498 B CN111102498 B CN 111102498B
- Authority
- CN
- China
- Prior art keywords
- light
- incident
- emitting device
- light incident
- source module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004088 simulation Methods 0.000 title claims abstract description 38
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 19
- 238000007405 data analysis Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 235000019615 sensations Nutrition 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
- F21Y2115/15—Organic light-emitting diodes [OLED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a light emitting device and a window light simulation system. The light-emitting device comprises a fixed frame, a light source module and a light guide piece. The light source module and the light guide piece are arranged on the fixed frame. The light source module is configured to emit light, and the light guide piece is positioned on one side of the light source module; the light guide part is provided with a first surface, a second surface and a light inlet end, wherein the first surface and the second surface are not parallel, and the light inlet end is positioned between the first surface and the second surface. The light inlet end is opposite to the light source module to receive light, and the light leaves the light guide part from at least the first surface. Wherein, the light-incoming end has a specific structure for receiving light. Therefore, the invention can maintain the transparency of the light guide piece and achieve good sunlight simulation effect.
Description
Technical Field
The present invention relates to a light emitting device, and more particularly, to a light emitting device and a window light simulation system capable of simulating sunlight irradiation.
Background
Many buildings and the like in the current society have many activity spaces such as control rooms, meeting rooms and the like on one floor. However, not every of these activity spaces can have windows through which sunlight can directly enter, so that people active in these activity spaces cannot view sunlight or outdoor scenery. This can affect the mood of people moving in these activity spaces or fail to provide a conduit for regulating their mind and body.
Although it is possible to provide a light emitting device simulating the irradiation of sunlight or a display device capable of displaying pictures such as scenery in these moving spaces for the purpose of adjusting the body and mind. However, this method is insufficient in simulation of simulating the irradiation of sunlight.
For example, in the prior art, a light-emitting device may be provided to simulate the irradiation of sunlight, and the light-entering end of the light-emitting device is a horizontal plane, so that after the light-guiding member receives the light, the light must be reflected by a certain distance to leave the light-guiding member from the first surface. This may cause the light guide part to partially guide the emitted light and partially not to guide the emitted light. For example, when the light input end is above the light guide member and the light source module is above the light guide member and irradiates light toward the light guide member, it may cause the problem that only the lower half portion of the light guide member can guide the light and the upper half portion cannot guide the light, so that the quality is not good and the simulation of simulating the irradiation of sunlight is not enough.
Further alternatively, in order to solve the above-described problems of the prior art, a microstructure or the like is provided on the light exit surface of the light guide, but when a user views the light emitting device simulating the irradiation of sunlight, the user may see a fog-like feeling on the surface of the light guide, which may result in a poor taste.
In view of the foregoing, the present inventors have devised a light emitting device and a window light simulation system to overcome the shortcomings of the prior art and further enhance the industrial application.
Disclosure of Invention
In view of the above problems in the prior art, it is a primary object of the present invention to provide a light emitting device and a window light simulation system, which can improve the insufficient simulation of simulating the irradiation of sunlight.
According to an aspect of the present invention, a light emitting device includes a fixing frame, a light source module, and a light guide. The light source module is arranged on the fixed frame and configured to emit light. The light guide part is arranged on the fixed frame and is positioned on one side of the light source module; the light guide part is provided with a first surface, a second surface and a light inlet end which are opposite, the second surface is not parallel to the first surface, the light inlet end is positioned between the first surface and the second surface and is opposite to the light source module so as to receive light rays, and the light rays leave the light guide part at least from the first surface. The light incident end comprises at least two light incident parts, the at least two light incident parts are arranged along the long side direction of the light incident end, and the at least two light incident parts respectively comprise at least two light incident surfaces; at least two light incident surfaces are respectively provided with a light incident inclination angle different from each other so as to receive light rays.
According to another aspect of the present invention, a window light simulation system includes a fixing frame, a display device and a light emitting device. The display device is arranged in the fixed frame and is provided with a backlight module and a display module. The backlight module is arranged on the first side of the display module and is configured to emit a second light ray, and the second light ray enters the display module from the first side. The light-emitting device is arranged in the fixed frame, is positioned at the second side of the display module and is provided with a light source module and a light guide piece. The light source module is arranged in the fixed frame and configured to emit a first light ray, and the light guide piece and the display module have a preset distance. The light guide part is provided with a first surface, a second surface and a light inlet end which are opposite, and the second surface is not parallel to the first surface; the light-entering end is positioned between the first surface and the second surface and opposite to the light source module so as to receive the first light. The first light ray leaves the light guide part at least from the first surface, and the second light ray leaves the display module from the second side.
According to another aspect of the present invention, a window light simulation system includes a fixing frame, a display device and a light emitting device. The display device is arranged in the fixed frame and is provided with a self-luminous display module. The self-luminous display module emits a second light and can form an image. The light emitting device is arranged in the fixed frame and is positioned on one side of the self-luminous display module. The light-emitting device is provided with a light source module and a light guide piece. The light source module is arranged in the fixed frame and configured to emit a first light ray. The light guide piece and the self-luminous display module have a preset distance; the light guide part is provided with a first surface, a second surface and a light inlet end, wherein the first surface, the second surface and the light inlet end are opposite, the second surface is not parallel to the first surface, and the light inlet end is located between the first surface and the second surface and opposite to the light source module so as to receive first light rays. The first light ray leaves the light guide part from at least the first surface.
Preferably, the light guide member has a bottom end opposite to the light incident end; a first imaginary straight line is formed in the direction from the light incident end to the bottom end or the direction from the bottom end to the light incident end, and a first included angle is formed between the first imaginary straight line and the outer side surface of the first surface, and the first included angle is greater than or equal to 0.45 degrees and less than or equal to 3.7 degrees.
Preferably, a second included angle is formed between the first imaginary straight line and the outer side surface of the second surface, and the second included angle is greater than or equal to 0.45 degrees and less than or equal to 3.7 degrees.
Preferably, the direction from the first face to the second face or the direction from the second face to the first face forms a second imaginary straight line; an incident light inclination angle is formed between each incident light surface and the second imaginary straight line, and is greater than or equal to 5 degrees and less than or equal to 45 degrees.
Preferably, at least one of the at least two light incident surfaces has a positioning portion, and the positioning portion is adjacent to a sharp corner between the light incident surface and the second imaginary straight line.
Preferably, at least two light incident surfaces smoothly form a continuous curved surface.
Preferably, the light source module includes a plurality of light emitting units, and a light emitting surface of each light emitting unit corresponds to each light incident surface.
Preferably, a plurality of rotating units are also included; each rotating unit is connected with each light-emitting unit respectively, so that each rotating unit drives each light-emitting unit to rotate along the long edge direction of the light-entering end.
Preferably, the long side of the light incident end is arc-shaped.
Preferably, the light incident end includes at least two light incident units, and the at least two light incident units are arranged periodically along a long side direction of the light incident end, and each light incident unit includes at least two light incident portions.
Preferably, the self-light emitting display module includes one of an Organic Light Emitting Diode (OLED) display unit, a submillimeter light emitting diode (Mini LED) display unit, and a Micro LED display unit.
The light emitting device, the window light simulation system and the display of the invention have the following advantages:
(1) the light emitting device, the window light simulation system and the display of the invention can highly simulate the irradiation of sunlight through the configuration of the preset structure.
(2) The light-emitting device, the window light simulation system and the display of the invention can lead the light guide member to emit the light of the light source module under the condition that the first surface or the second surface is not provided with microstructures such as lattice points and the like through the configuration of the preset structure. Therefore, the light guide piece can maintain the transparency of a user when the user watches the glass without fog-like feeling, thereby improving the taste of the user when the user watches the glass.
Drawings
Fig. 1 is a schematic structural diagram of a light-emitting device according to a first embodiment of the present invention.
Fig. 2 is a schematic structural view of a light guide member of a light emitting device according to a first embodiment of the invention.
Fig. 3 is a schematic diagram of a first structural implementation of a light incident end of a first embodiment of a light emitting device according to the invention.
Fig. 4 is a schematic view of a light incident surface structure of a light emitting device according to a first embodiment of the invention.
Fig. 5 is a first application diagram of a light-emitting device according to a first embodiment of the invention.
Fig. 6 is a schematic view of a second application of the first embodiment of the light-emitting device of the present invention.
Fig. 7 is a schematic diagram of a second structure implementation of the light incident end of the first embodiment of the light emitting device of the invention.
Fig. 8 is a schematic diagram of a third structural implementation of the light incident end of the first embodiment of the light emitting device of the invention.
Fig. 9 is a schematic structural diagram of a light-emitting device according to a second embodiment of the invention.
Fig. 10 is a schematic view of a light guide structure of a light emitting device according to a second embodiment of the invention.
Fig. 11 is a schematic structural view of a light guide member according to a third embodiment of the light emitting device of the present invention.
Fig. 12 is a schematic structural view of a preferred incident light inclination angle of a light guide member according to a third embodiment of the light emitting device of the present invention.
Fig. 13 (a) and (b) are schematic structural views of the light guide member with too small and too small incident light tilt angles, respectively.
Fig. 14 is a schematic data analysis diagram of a light guide of a light emitting device according to a third embodiment of the present invention.
Fig. 15 is a schematic structural diagram of a light-emitting device according to a fourth embodiment of the invention.
Fig. 16 is a schematic structural diagram of a light-emitting device according to a fifth embodiment of the present invention.
Fig. 17 is a schematic view of the fourth and fifth embodiments of the light emitting device of the present invention.
Fig. 18 is a schematic structural diagram of a window light simulation system according to a first embodiment of the present invention.
Fig. 19 is a schematic structural diagram of a second embodiment of the window light simulation system of the present invention.
Fig. 20 is a schematic view of an application of the window light simulation system of the present invention.
Description of reference numerals:
1. 23, 33: light emitting device
11. 21, 31: fixing frame
12. 231: light source module
121: light emitting unit
1211: luminous surface
13. 232, 33: light guide member
131. 233: first side
132. 234: second surface
133. 235: light-incoming end
134. 236: bottom end
135: light incidence unit
136: light incident part
137. 238: light incident surface
138: positioning part
14: rotary unit
2. 3: window light simulation system
22. 32: display device
221: backlight module
222: display module
321: self-luminous display module
L: light ray
L1: the first light ray
L2: the second light ray
IL 1: first imaginary straight line
IL 2: second imaginary straight line
X: a first direction
Y: second direction
Z: third direction
θ 1: first included angle
θ 2: incidence angle
θ 3: third included angle
Detailed Description
To facilitate understanding of the technical features, contents, and advantages of the present invention and the technical effects achieved thereby, the present invention will be described in detail with reference to the accompanying drawings in the form of embodiments, wherein the drawings are provided for illustration and an auxiliary specification, and are not necessarily true to scale and precise arrangement after the implementation of the present invention, and therefore, the appended claims should not be read as describing the relationship between the scale and the arrangement of the drawings, and should not be read as limiting the present invention to the actual implementation.
In the drawings, the thickness or width of layers, films, panels, regions, light guides, etc. is exaggerated for clarity. Like reference numerals refer to like elements throughout the specification. It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" or "connected to" or "disposed on" another element, it can be directly on or connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present. As used herein, "connected" or "disposed," can refer to a physical and/or electrical connection or arrangement. Further, "electrically connected" or "coupled" may mean that there are additional elements between the elements. Furthermore, the use of the terms first, second and third are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or order relationship.
Unless defined otherwise, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present invention and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Fig. 1 to fig. 6 are related schematic views of a light emitting device according to a first embodiment of the invention. The light-emitting device 1 of the present invention can be applied to a general lamp, a window light simulation system, a display, or the like. As shown in the drawings, the light emitting device 1 of the present invention includes a fixing frame 11, a light source module 12 and a light guide 13.
The fixing frame 11 may be a frame-shaped element made of plastic or metal material, and the fixing frame 11 may have a structure capable of properly fixing the received element, such as a locking hole, a clamping portion, a snap group, and the like, which are well known to those skilled in the art. The light source module 12 is disposed on the fixing frame 11, and the light source module 12 is configured to emit a light. The light guide 13 is made of a transparent or light-conductive plastic material, and is disposed on the fixing frame 11 and located at one side of the light source module 12. Further, the light guide 13 has a first surface 131 and a second surface 132 opposite to each other, and a light incident end 133 and a bottom end 134 opposite to each other. In addition, the second surface 132 is not parallel to the first surface 131, the light incident end 133 and the bottom end 134 are located between the first surface 131 and the second surface 132, and the light incident end 133 is adjacent to and corresponding to the light source module 12 to receive the light emitted from the light source module 12, so that the light leaves the light guide 13 from at least the first surface 131 in a predetermined manner. For example, as shown in fig. 1, when the light L is emitted from the light guide 13 in an oblique manner from the first surface 131, as shown in fig. 5, it can be irradiated on an object (e.g., a floor) in a manner simulating the oblique irradiation of sunlight.
In detail, as shown in FIG. 2 and please refer to FIG. 1. As shown in fig. 1, the bottom end 134 may be a plane parallel to the first direction X, and the second face 132 may be a plane parallel to the second direction Y; wherein the first direction X is perpendicular to the second direction Y, i.e. the second surface 132 is perpendicular to the bottom end 134. Specifically, a first imaginary straight line IL1 may be formed in the direction from the light incident end 133 to the bottom end 134 or in the direction from the bottom end 134 to the light incident end 133, which is an imaginary line along the second direction Y. The first imaginary straight line IL1 has a first included angle θ 1 with the outer side surface of the first face 131, and preferably the first included angle θ 1 is greater than or equal to 0.45 ° and less than or equal to 3.7 °. Incidentally, since the first included angle θ 1 is defined to be greater than or equal to 0.45 ° and less than or equal to 3.7 °, even if the light emitting device 1 of the present invention is enlarged, the thickness of the light guide 13 is not changed too much, so that the influence of the thickness change of the light guide 13 on the light emitting device 1 is still small, and the light emitting device 1 can be more conveniently disposed on or in a wall.
Since the first surface 131 and the second surface 132 are disposed in a non-parallel manner, after the light guide 13 receives the light L of the light source module 12, the light L is reflected inside the light guide 13 and leaves the light guide 13 through the first surface 131. Therefore, when the light emitting device 1 of the present invention is applied to a simulated window, it can highly simulate the irradiation of sunlight, for example, the simulation of oblique sunlight. In addition, since the first surface 131 and the second surface 132 are disposed in a non-parallel manner, the light L of the light source module 12 can be directly emitted from the first surface 131 after being transmitted by the light guide 13 at the light emitting surface, for example, the first surface 131 without disposing microstructures such as dots. Thus, the light guide member 13 can improve the transparency of the user when viewing without giving a fog-like feeling, thereby improving the quality of the user when viewing. As shown in fig. 6, the light emitting device 1 according to the present invention can be applied to a refrigerator having a transparent front door, for example, and can be installed in the front door. Under the operation, the user can still clearly see the contents in the refrigerator through the light guide member 13, and the light of the light source module 12, for example, the light emitting a predetermined color, can be used to achieve the purpose of decoration or beautification.
As shown in fig. 3, the light incident end 133 includes at least two light incident portions 136, and the light incident portions 136 are arranged along the longitudinal direction of the light incident end 133. In the figure, the longitudinal direction of the light incident end 133 is represented by the third direction Z. Further, the light incident portions 136 respectively include at least two light incident surfaces 137, and it should be particularly noted that the light incident surfaces 137 respectively have different light incident inclination angles θ 2, so as to receive the light L through the light incident surfaces 137.
A second imaginary straight line IL2 can be formed in the direction from the first surface 131 to the second surface 132 or in the direction from the second surface 132 to the first surface 131, i.e., the second imaginary straight line IL2 is an imaginary line along the first direction X. In particular, each incident light surface 137 and the second imaginary straight line IL2 may have an incident light inclination angle θ 2 greater than or equal to 5 ° and less than or equal to 45 °.
Particularly, to avoid the problem that the lower half of the light guide 13 can guide the emitted light L and the upper half of the light guide 13 cannot guide the emitted light L, the light incident end 133 includes at least two light incident portions 136, and each light incident portion 136 further has at least two light incident surfaces 137, so that the light L is received through the light incident surfaces 137 with different angles, so as to obtain a larger reflection angle at the beginning, and increase the number of times of the internal reflection of the light L on the upper half of the light guide 13, thereby enabling part of the light to be guided out on the upper half of the light guide 13. Therefore, the purpose of uniformly guiding out light by using the light guide piece 13 is achieved.
In addition, as shown in fig. 4, at least one of the light incident surfaces 137 may have a positioning portion 138, and preferably, at least two light incident surfaces 137 have positioning portions 138 respectively. The positioning portion 138 is disposed adjacent to a sharp corner between the light incident surface 137 and the second imaginary straight line IL 2. In addition, the positioning portion 138 may be formed by disposing the light incident surface 137 in a step shape, or disposing a bump, a groove, etc. on the light incident surface 137, and the step shape of the positioning portion 138 is exemplified in this embodiment, but should not be taken as a limitation. Therefore, when the light source module 12 is assembled, the positioning portion 138 can be used to position the light source module 12 on the light incident surface 137, and the light source module 12 is not prone to shift due to vibration and other problems in subsequent use.
It should be noted that the number of the light incident portions 136 may preferably be two to four, and the number of the light incident surfaces 137 included in each of the light incident portions 137 may preferably be four to ten. With this arrangement, it is possible to appropriately compensate for a portion where the emitted light cannot be partially guided. In addition, the light source module 12 may be a single light emitting unit or a plurality of light emitting units, and the light emitting unit 121 may be a light emitting diode or the like; of course, the light source module 12 may also include a control circuit, a power connection interface, and other elements. When the light source module 12 includes a plurality of light emitting units 121, the light emitting surface 122 of each light emitting unit 121 corresponds to each light incident surface 137, for example, the light emitting surface 122 of each light emitting unit 121 is parallel to each light incident surface 137, so that the light L can be guided out uniformly.
Please refer to fig. 7, which is a schematic diagram illustrating a second structure implementation manner of the light incident end of the first embodiment of the light emitting device of the present invention.
As shown in the drawings, in different embodiments, if the overall width of the light guide 13 is large (i.e. the length of the light incident end 133 in the long side direction is long) or other suitable configurations, the light incident end 133 includes at least two light incident units 135, and the at least two light incident units 135 are periodically arranged along the long side direction of the light incident end 33, and each light incident unit 135 includes the at least two light incident portions 136; similarly, the light incident portion 136 also includes a light incident surface 137. That is, at least two light incident portions 136 together form a light incident unit 135, and the light incident units 135 are periodically arranged along the longitudinal direction of the light incident end 133.
Please refer to fig. 8, which is a schematic diagram illustrating a third structural implementation of the light incident end of the first embodiment of the light emitting device according to the present invention.
As shown, the main difference in the present embodiment is that the light incident surface 136 can smoothly form a continuous curved surface. With this structure, the emitted light can be more uniform. Therefore, the light incident surfaces 136 can be configured in a smooth manner to form a continuous curved surface, so that the simulation of the simulated sunlight emitted by the light guide member 13 is better.
Please refer to fig. 9 and 10, which are related schematic diagrams of a light emitting device according to a second embodiment of the invention. In the present embodiment, the configuration or connection relationship of the elements not specifically mentioned is substantially similar to that described above, and the description thereof is omitted here for brevity.
As shown, the main difference in the present embodiment is that a second included angle θ 3 between the first imaginary straight line IL1 and the outer side surface of the second face 132 can be greater than or equal to 0.45 ° and less than or equal to 3.7 °. That is, the entirety of the light guide 13 may have an approximately trapezoidal structure. It should be noted that, in different embodiments, the first included angle θ 1 of the first surface 131 and the second included angle θ 3 of the second surface 132 may be adjusted to be the same or different according to practical applications. For example, when the wall between the two movable spaces has a through gap for disposing the light emitting device 1 of the present invention, the two movable spaces can both have two simulated oblique sunlight angles with the same angle by the first included angle θ 1 of the first surface 131 being equal to the second included angle θ 3 of the second surface 132; certainly, in different embodiments, the two movable spaces may have simulated sunlight oblique angles with different angles respectively by the first included angle θ 1 of the first surface 131 being not equal to the second included angle θ 3 of the second surface 132.
Please refer to fig. 11 to 14, which are a schematic diagram of a light guide structure and a schematic diagram of data analysis of a light emitting device according to a third embodiment of the present invention. In the present embodiment, the configuration or connection relationship of the elements not specifically mentioned, such as the elements other than the light guide, is substantially similar to that described above, and the description thereof is omitted here for brevity.
In various embodiments, as shown in the figure, the light incident end 133 of the light guide 13 may have only one light incident surface 137, as shown in fig. 11. Similar to the aforementioned fig. 4 and its corresponding description, a second imaginary straight line IL2 may be formed in the direction from the first surface 131 to the second surface 132 or in the direction from the second surface 132 to the first surface 131, i.e., the second imaginary straight line IL2 is an imaginary line along the first direction X. Specifically, the incident surface 137 and the second imaginary straight line IL2 each have a specific incident light inclination angle θ 2.
When the light incident end 133 has only one light incident surface 137, if the light incident inclination angle θ 2 is too small (exemplified by 0 °), the amount of light leakage is low and the uniformity is low, as shown in fig. 13 (a) and 14, and if the light incident inclination angle θ 2 is too large (exemplified by 30 °), the amount of light leakage is high and the uniformity is high, as shown in fig. 13 (b) and 14. The light L leaves the light guide 13 in a large amount when approaching the light source module 12, which means that the light leakage is high, and the light leakage is low, which is shown in the dashed line in fig. 14. In addition, the uniformity is the uniformity of whether there is too bright or too dark light in the direction from the light source module 12 to the light source module 12, that is, the uniformity shown by the solid line portion in fig. 14.
In order to reduce the tendency of light distribution uniformity and light leakage, the incident light inclination angle θ 2 may be preferably greater than or equal to 11 ° and less than or equal to 25 °. Under the limitation of the above condition, the light uniformity can reach at least 60%, and the light leakage quantity can be lower than 15%. In a preferred embodiment, the incidence inclination angle θ 2 may be greater than or equal to 13 ° and less than or equal to 20 °. Under the limitation of the above conditions, the light uniformity can reach at least 70%, and the light leakage can be less than 10%. In fig. 12, the entrance tilt angle θ 2 is 15 ° as an exemplary embodiment, so as to show the advantage that the entrance tilt angle θ 2 is preferably too large or too small compared to the entrance tilt angle θ 2.
Fig. 15 to 17 are related schematic views and application schematic views of a fourth embodiment and a fifth embodiment of a light emitting device of the present invention. In the present embodiment, the configuration or connection relationship of the elements not specifically mentioned is substantially similar to that described above, and the description thereof is omitted here for brevity.
As shown in fig. 15, the main difference in the present embodiment is that the long side of the light incident end 133 is arc-shaped. That is, when the light guide 13 is viewed from the first direction X, the light incident end 133 is arc-shaped. In addition, the light source module 12 includes a plurality of light emitting units 121, and the plurality of light emitting units 121 are preferably arranged in an arc shape along the light incident end 133. Also, the light emitting surface 122 of each light emitting unit 121 may be preferably parallel to the light incident surface 137.
Through the above configuration in this embodiment, a user can selectively light the predetermined light emitting unit 121, thereby achieving the effect of adjusting the oblique angle of the simulated sunlight. For example, when the light guide 13 is viewed from the first direction X, the user can selectively light the light emitting units 121 on the left side, thereby creating a simulation of sunlight shining from left to right. Conversely, the user can also selectively light the light emitting units 121 on the right side, thereby creating a simulation of sunlight shining from right to left.
In various embodiments, the user can illuminate a specific portion of the light emitting units 121 according to the current time or the time command through the control of the program. Therefore, the light emitting device 1 of the present invention can properly simulate the sunlight change of one day, even different sunlight changes of spring, summer, autumn and winter.
As shown in fig. 16, the main difference in the present embodiment is that the light source module 12 includes a plurality of light emitting units 121, and in addition, the light emitting device of the present invention further includes a plurality of rotating units 14. Each light emitting unit 121 is connected to each rotating unit 14, so that the rotating units 14 can drive the light emitting units 121 to rotate. In particular, the rotating unit 14 drives the light emitting unit 121 to rotate along the long side of the light incident end 133. That is, the rotation is performed with the direction perpendicular to the second direction Y and the third direction Z as the axis, for example, the rotation is performed with the first direction X shown in fig. 14 as the axis.
Incidentally, the rotating unit 14 can be a motor (not shown in the drawings for simplicity) connected to the light emitting units 121, so that the light emitting units 121 are driven to rotate by the motor. Alternatively, the rotation unit 14 may be, for example, a gear connected to the light emitting units 121 to rotate all the light emitting units 121 in unison by a pneumatic cylinder (not shown in the figure for simplicity) or a hydraulic cylinder (not shown in the figure for simplicity) engaged with a rack.
With the above-described configuration, as shown in fig. 17, the user can achieve a false feeling of making the sunlight shine from right to left or from left to right by selectively lighting predetermined light emitting units 121 or rotating the light emitting units 121 through the rotating unit 14. Of course, the user can rotate the light emitting unit 121 according to the current time or command through the control of the program. Therefore, the light emitting device 1 of the present invention can properly simulate the sunlight change of one day, even different sunlight changes of spring, summer, autumn and winter.
Please refer to fig. 18, which is a schematic structural diagram of a window light simulation system according to a first embodiment of the present invention. In the present embodiment, the configuration or connection relationship of the elements not specifically mentioned is substantially similar to that described above, and the description thereof is omitted here for brevity.
As shown in the drawings, the window light simulation system 2 of the present invention includes a fixing frame 21, a display device 22, and a light emitting device 23. The display device 22 is disposed in the fixing frame 21, and the display device 22 has a backlight module 221 and a display module 222; of course, the display device 22 may have other elements known to those skilled in the art, and thus, the description thereof is omitted here. The display module 222 has a first side 223 and an opposite second side 224, and the backlight module 221 is located at one side of the first side 223 of the display module 222. The backlight module 221 emits a second light L2 entering the display module 222 from the first side 223, and the second light leaves the display module 222 from the second side 224.
The light emitting device 23 is disposed in the fixing frame 21, and the light emitting device 23 is located on the second side 224 of the display module 222. That is, the user goes to the backlight module 221 in the sequence of the light emitting device 23, the display module 222 and the backlight module 221. The backlight module 221 is used for providing a light source for the display module 222, and the first light L1 of the light emitting device 23 is used for creating a simulation of sunlight irradiation.
That is, the window light simulation system 2 of the present invention is applied to a window-simulated display or the like capable of displaying pictures such as landscapes as shown in fig. 19. Further, the light emitting device 23 includes a light source module 231 and a light guide 232. The light source module 231 is disposed in the fixed frame 21 to emit a first light L1, and the light guide 232 is also disposed in the fixed frame 21. The light guide 232 is disposed on one side of the light source module 231 and also on the second side 224 of the display module 222. That is, the light guide 232 is located at an intersection of the light emitting direction of the light source module 231 and the display direction of the display module 222. The light guide 232 has a first surface 233, a second surface 234, a light incident end 235 and a bottom end 236, which are opposite to each other. The detailed structural features of the light guide 232 are already described in the light emitting device of the foregoing embodiments (see fig. 2 to 4, 9, 8, 10, and 12), and are not repeated herein.
It should be noted that, in an embodiment of the window light simulation system 2 of the present invention, the light guide 232 may preferably have a predetermined distance from the display module 222, and the predetermined distance is determined by the first light L1 of the light emitting device 23 without affecting the display of the display module 222, so that the predetermined distance can be adjusted according to the actual application.
Please refer to fig. 19 and 20, which are a schematic structural diagram and an application diagram of a window light simulation system according to a second embodiment of the present invention. As shown in the drawings, the window light simulation system 3 of the present invention can create a realistic sensation of sunlight irradiation in addition to being displayed in a simulated window as a landscape image.
The window light simulation system 3 includes a fixing frame 31, a display device 32, and a light emitting device 33. The display device 32 is disposed in the fixing frame 31, and in the present embodiment, the display device 32 includes a self-emitting display module 321, wherein the self-emitting display module 321 emits the second light L2 and forms an image 322. And the light emitting device 33 is located at one side of the self-luminous display module 321. The light-emitting device 33 can be applied to the light-emitting devices of the above embodiments, and therefore, the description thereof is omitted.
It is worth mentioning that the self-light emitting display module 321 is, for example, one of an Organic Light Emitting Diode (OLED) display unit, a sub-millimeter light emitting diode (Mini LED) display unit, and a Micro LED display unit.
In addition, when the display device 32 and the light-emitting device 33 cooperate with each other, the light of the light-emitting device 33 corresponds to the image displayed on the display device 32. For example, when the display device 32 displays a landscape image at dusk, the light-emitting device 23 correspondingly illuminates the image at a sun illumination angle and a color temperature simulating dusk.
Incidentally, the technical features in the above embodiments can be applied in different combinations. Therefore, the exemplary embodiments should not be construed as limiting.
The foregoing is by way of example only, and not limiting. It is intended that all equivalent modifications or variations without departing from the spirit and scope of the present invention shall be included in the appended claims.
Claims (13)
1. A light emitting device, comprising:
a fixed frame;
a light source module, which is arranged on the fixed frame and is configured to emit light; and
the light guide piece is arranged on the fixed frame and positioned on one side of the light source module, the light guide piece is provided with a first surface, a second surface and a light inlet end which are opposite, the second surface is not parallel to the first surface, the light inlet end is positioned between the first surface and the second surface and is opposite to the light source module so as to receive the light rays, and the light rays leave the light guide piece from at least the first surface;
the light incident end comprises at least two light incident parts which are arranged along the long side direction of the light incident end, the at least two light incident parts respectively comprise at least two light incident surfaces, and the at least two light incident surfaces respectively have different light incident inclination angles so as to receive the light;
the light guide piece is provided with a bottom end relative to the light inlet end, a first imaginary straight line perpendicular to the bottom end is formed in the direction from the light inlet end to the bottom end or in the direction from the bottom end to the light inlet end, a first included angle is formed between the first imaginary straight line and the outer side face of the first face, and the first included angle is larger than or equal to 0.45 degrees and smaller than or equal to 3.7 degrees;
wherein a second included angle is formed between the first imaginary straight line and the outer side surface of the second surface, and the second included angle is greater than or equal to 0.45 degrees and less than or equal to 3.7 degrees.
2. The light-emitting device of claim 1, wherein a direction from the first surface to the second surface or a direction from the second surface to the first surface forms a second imaginary straight line parallel to the bottom end, and the incident light inclination angle between each incident light surface and the second imaginary straight line is greater than or equal to 5 ° and less than or equal to 45 °.
3. The light-emitting device according to claim 2, wherein at least one of the at least two light incident surfaces has a positioning portion, and the positioning portion is adjacent to a sharp corner between the light incident surface and the second imaginary straight line.
4. The light-emitting device of claim 1, wherein the at least two light incident surfaces smoothly form a continuous curved surface.
5. The light-emitting device of claim 1, wherein the light source module comprises a plurality of light-emitting units, and a light-emitting surface of each light-emitting unit corresponds to each light-incident surface.
6. The light-emitting device according to claim 5, further comprising a plurality of rotating units, wherein each of the rotating units is connected to each of the light-emitting units, so that each of the rotating units drives each of the light-emitting units to rotate along the longitudinal direction of the light-incident end.
7. The light-emitting device of claim 1, wherein the long side of the light-entering end is arc-shaped.
8. A window light simulation system, comprising:
a fixed frame;
the display device is arranged in the fixed frame and is provided with a backlight module and a display module, wherein the display module is provided with a first side and an opposite second side, the backlight module is positioned at the first side of the display module and is configured to emit second light, and the second light enters the display module from the first side; and
a light emitting device disposed in the fixing frame and located at the second side of the display module, the light emitting device having a light source module and a light guide member, wherein the light source module is disposed in the fixing frame and configured to emit a first light, the light guide member has a predetermined distance from the display module, the light guide member has a first surface, a second surface and a light incident end, the second surface is not parallel to the first surface, the light incident end is located between the first surface and the second surface and opposite to the light source module to receive the first light, the first light leaves the light guide member from at least the first surface, and the second light leaves the display module from the second side.
9. The window light simulation system of claim 8, wherein the light incident end comprises at least two light incident portions arranged along a long side direction of the light incident end, and each of the at least two light incident portions comprises at least two light incident surfaces having different incident light tilt angles for receiving the light.
10. The window light simulation system of claim 9, wherein the light incident end comprises at least two light incident units, and the at least two light incident units are periodically arranged along a long side direction of the light incident end, and each light incident unit comprises the at least two light incident portions.
11. A window light simulation system, comprising:
a fixed frame;
the display device is arranged in the fixed frame and is provided with a self-luminous display module, wherein the self-luminous display module emits a second light ray and can form an image; and
the light emitting device is arranged in the fixed frame and is positioned at one side of the self-luminous display module, the light emitting device is provided with a light source module and a light guide piece, the light source module is arranged in the fixed frame and is configured to emit a first light ray, the light guide piece and the self-luminous display module have a preset distance, the light guide piece is provided with a first surface, a second surface and a light inlet end, the first surface, the second surface and the light inlet end are opposite, the second surface is not parallel to the first surface, the light inlet end is positioned between the first surface and the second surface and is opposite to the light source module to receive the first light ray, and the first light ray at least leaves the light guide piece through the first surface.
12. The window light simulation system of claim 11, wherein the self-light emitting display module comprises one of an organic light emitting diode display unit, a sub-millimeter light emitting diode display unit, and a micro light emitting diode display unit.
13. The window light simulation system of claim 11, wherein the light incident end comprises at least two light incident units, and the at least two light incident units are periodically arranged along a long side direction of the light incident end, and each light incident unit comprises the at least two light incident portions.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW108125016 | 2019-07-16 | ||
| TW108125016A TWI695143B (en) | 2019-07-16 | 2019-07-16 | Light emitting device and window light simulation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111102498A CN111102498A (en) | 2020-05-05 |
| CN111102498B true CN111102498B (en) | 2022-02-01 |
Family
ID=70426949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010017338.3A Active CN111102498B (en) | 2019-07-16 | 2020-01-08 | Light emitting device and window light simulation system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111102498B (en) |
| TW (1) | TWI695143B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI723915B (en) * | 2020-07-13 | 2021-04-01 | 友達光電股份有限公司 | Display mechanism |
| US20230296217A1 (en) * | 2020-07-28 | 2023-09-21 | Nitto Denko Corporation | Surface illumination device, space including surface illumination device, and illumination method |
| US20240142085A1 (en) * | 2022-10-06 | 2024-05-02 | Korrus, Inc. | Artificial window with ceiling wash |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2762178Y (en) * | 2005-01-24 | 2006-03-01 | 科桥电子股份有限公司 | Improved structure of light guiding of light conducting board |
| CN102918320A (en) * | 2010-06-29 | 2013-02-06 | 夏普株式会社 | Light source apparatus and pseudo-sunlight irradiating apparatus provided with same |
| CN103742834A (en) * | 2013-10-18 | 2014-04-23 | 友达光电股份有限公司 | Transparent display device and backlight module used by same |
| JP2014126571A (en) * | 2012-12-25 | 2014-07-07 | Panasonic Corp | Display device |
| CN105388556A (en) * | 2014-08-20 | 2016-03-09 | 瑞仪光电股份有限公司 | Light guide plate and light source module |
| CN106247282A (en) * | 2013-05-27 | 2016-12-21 | 瑞仪光电股份有限公司 | Luminaire |
| CN206162010U (en) * | 2016-10-28 | 2017-05-10 | 张家港康得新光电材料有限公司 | Back light module and display device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201241516A (en) * | 2011-04-06 | 2012-10-16 | Tpv Display Technology Xiamen | Thin laser light source device |
| DE102011016407A1 (en) * | 2011-04-08 | 2012-10-11 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Lamp for illuminating number plate of motor vehicle, has light guide plate including light scattering nanoparticle distributed in volume, and light source arranged behind sun visor, where light of source is coupled in edge side of plate |
| TWI554725B (en) * | 2013-05-27 | 2016-10-21 | Lighting device | |
| TWI507639B (en) * | 2013-06-03 | 2015-11-11 | Radiant Opto Electronics Corp | Light guide plate and lighting device |
-
2019
- 2019-07-16 TW TW108125016A patent/TWI695143B/en active
-
2020
- 2020-01-08 CN CN202010017338.3A patent/CN111102498B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2762178Y (en) * | 2005-01-24 | 2006-03-01 | 科桥电子股份有限公司 | Improved structure of light guiding of light conducting board |
| CN102918320A (en) * | 2010-06-29 | 2013-02-06 | 夏普株式会社 | Light source apparatus and pseudo-sunlight irradiating apparatus provided with same |
| JP2014126571A (en) * | 2012-12-25 | 2014-07-07 | Panasonic Corp | Display device |
| CN106247282A (en) * | 2013-05-27 | 2016-12-21 | 瑞仪光电股份有限公司 | Luminaire |
| CN103742834A (en) * | 2013-10-18 | 2014-04-23 | 友达光电股份有限公司 | Transparent display device and backlight module used by same |
| CN105388556A (en) * | 2014-08-20 | 2016-03-09 | 瑞仪光电股份有限公司 | Light guide plate and light source module |
| CN206162010U (en) * | 2016-10-28 | 2017-05-10 | 张家港康得新光电材料有限公司 | Back light module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW202104796A (en) | 2021-02-01 |
| CN111102498A (en) | 2020-05-05 |
| TWI695143B (en) | 2020-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111102498B (en) | Light emitting device and window light simulation system | |
| US7063449B2 (en) | Light emitting diode (LED) picture element | |
| US9851079B2 (en) | System and technique for tensioned wall of individual LED tiles | |
| JP5016112B2 (en) | Blind with illuminated thin plate | |
| JP5315046B2 (en) | Daylight shielding device | |
| CN102272516A (en) | large area light panel and screen | |
| US10420180B2 (en) | Lighting apparatus and lighting system | |
| CN105637390A (en) | Lighting member, lighting device, and method for installing lighting member | |
| US9507073B2 (en) | Light guide plate, backlight assembly and transparent display | |
| US20180356059A1 (en) | Daylighting system, daylighting method, and building | |
| CN108351078A (en) | Lighting equipment | |
| JPWO2017188318A1 (en) | Daylighting device and daylighting system | |
| CN101477771A (en) | LED display screen glass wall | |
| KR20130112524A (en) | Luminous glass panel, luminous glass window, luminous glass door and curtain wall using the same | |
| JP4044324B2 (en) | Planar light emitter and liquid crystal display device | |
| CN220379525U (en) | Novel dynamic effect lamp | |
| KR102230719B1 (en) | Transparent illumination device using transparent display panel and method for driving the same | |
| CN211742520U (en) | Lighting device and lighting device assembly | |
| KR20120090367A (en) | Method for driving liquid crystal display device | |
| RU76497U1 (en) | DEVICE FOR ATTRACTING ATTENTION TO OBJECTS OF OUTDOOR ADVERTISING | |
| JP2003161839A (en) | Lightguide, surface light-emitting body and liquid crystal display | |
| CN106019703B (en) | A kind of display and its control method | |
| JPH11353916A (en) | Information display device | |
| RU2216787C2 (en) | Image generation method | |
| KR20140018161A (en) | Luminous glass panel, luminous glass window, luminous glass door and curtain wall using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |