CN110782781B - Display module and display device - Google Patents
Display module and display device Download PDFInfo
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- CN110782781B CN110782781B CN201911090099.8A CN201911090099A CN110782781B CN 110782781 B CN110782781 B CN 110782781B CN 201911090099 A CN201911090099 A CN 201911090099A CN 110782781 B CN110782781 B CN 110782781B
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- 230000001965 increasing effect Effects 0.000 claims description 11
- 230000002708 enhancing effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000002834 transmittance Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 112
- 239000000463 material Substances 0.000 description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000002310 reflectometry Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133553—Reflecting elements
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/856—Arrangements for extracting light from the devices comprising reflective means
Abstract
The invention provides a display module and a display device, belongs to the technical field of display, and can solve the problem that the existing display device cannot be combined with an actual scene for display. The invention provides a display module, comprising: a display panel including a plurality of sub-pixel regions; the first film layer is arranged corresponding to the display panel; the first film layer is divided into a plurality of light-transmitting areas and reflecting areas; the light-transmitting area corresponds to the sub-pixel area; the reflection area is used for reflecting ambient light so that the display module can realize specular reflection.
Description
Technical Field
The invention belongs to the technical field of display, and particularly relates to a display module and a display device.
Background
With the increasing development of display technology, various display products such as liquid crystal display devices, OLED display devices, QLED display devices, and the like are continuously emerging. However, the conventional display product generally performs picture display under circuit control, cannot be displayed in combination with an actual situation, and cannot meet the use requirements of users in certain special scenes.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art and provides a display module capable of being combined with an actual scene for display.
The technical scheme adopted for solving the technical problems of the invention is a display module, comprising:
a display panel including a plurality of sub-pixel regions;
the first film layer is arranged corresponding to the display panel; the first film layer is divided into a plurality of light-transmitting areas and reflecting areas; the light-transmitting area corresponds to the sub-pixel area; the reflection area is used for reflecting ambient light so that the display module can realize specular reflection.
Preferably, the first film layer is a patterned film layer, the hollowed-out portion of the first film layer defines the light-transmitting area, and the main body portion of the first film layer defines the reflecting area.
Preferably, the plurality of sub-pixel areas are arranged in an array; the light-transmitting areas are arranged in an array;
the light-transmitting areas are in one-to-one correspondence with the sub-pixel areas;
or, each plurality of the light-transmitting areas corresponds to one sub-pixel area.
Preferably, the display panel includes a light-transmitting display panel;
the display module assembly still includes: a backlight module for providing a backlight source for the display panel;
the first film layer is arranged between the display panel and the backlight module.
Further preferably, a surface of the reflective region of the first film layer, which is close to the display panel, includes an arc-shaped protrusion structure.
Further preferably, the display module further includes:
the antireflection film layer is arranged between the first film layer and the backlight module and is used for increasing the light transmittance of the first film layer.
Further preferably, the display module further includes: the reflection enhancing film layer is arranged between the first film layer and the display panel and is used for increasing the reflection rate of the first film layer.
Preferably, the first film layer is disposed on a display side of the display panel.
Further preferably, a surface of the reflective region of the first film layer facing away from the display side of the display panel includes an arc-shaped protrusion structure.
The technical scheme adopted for solving the technical problem of the invention is a display device, which is characterized by comprising any display module.
Drawings
FIG. 1 is a schematic plan view of a first film layer according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a portion of a display module according to an embodiment of the invention;
FIG. 3 is a schematic diagram illustrating a portion of a display module according to another embodiment of the invention;
fig. 4 is a schematic display diagram of a display module in a state that a display panel is not displayed according to an embodiment of the invention;
fig. 5 is a display schematic diagram of a display module in a state that a display panel is displayed according to an embodiment of the invention;
wherein the reference numerals are as follows: 1. a display panel; 2. a first film layer; 21. a hollowed-out part; 3. an antireflection film layer; 4. a reflection enhancing film layer; 5. and a backlight module.
Detailed Description
The present invention will be described in further detail below with reference to the drawings and detailed description for the purpose of better understanding of the technical solution of the present invention to those skilled in the art.
Example 1:
as shown in fig. 1 to 3, the present embodiment provides a display module. It comprises the following steps: a display panel 1 and a first film layer 2. Wherein, the display panel 1, it includes a plurality of sub-pixel areas; the first film layer 2 is arranged corresponding to the display panel 1; the first film layer 2 is divided into a plurality of light-transmitting areas and reflecting areas; the light transmission area corresponds to the sub-pixel area; the reflection area is used for reflecting ambient light so that the display module can realize specular reflection.
The display panel 1 may be a liquid crystal display panel 1, an OLED (organic light-Emitting Diode) display panel 1, or other display panels 1, which is not limited in this embodiment.
In the display module provided in this embodiment, the display panel 1 is used for displaying; the light-transmitting area of the first film layer 2 corresponds to the sub-pixel area of the display panel 1, so that the light of each sub-pixel area of the display panel 1 can enter the user field of view through the light-transmitting area. At the same time, the reflective region of the first film layer 2 is capable of specularly reflecting ambient light. In summary, in the display module provided in this embodiment, based on the light-transmitting area and the reflecting area of the first film layer 2, the user can see the display screen of the display panel and see the specular reflection screen of the real environment, that is, the display module can combine the display screen and the specular reflection screen to display for the user, so as to realize the fusion of the display screen and the display environment.
In the prior art, the pixels of the display panel are generally arranged in an array, so in this embodiment, the plurality of sub-pixel regions are arranged in an array. As shown in fig. 1, a plurality of sub-pixel regions are arranged in an array; the plurality of light-transmitting areas are arranged in an array; the light transmission areas are in one-to-one correspondence with the sub-pixel areas; alternatively, each of the plurality of light-transmitting regions corresponds to one of the sub-pixel regions.
That is, in the correspondence between the light-transmitting areas and the sub-pixel areas in the embodiment, each sub-pixel area has at least one light-transmitting area corresponding to the light-transmitting area, so that light in each pixel area of the display panel 1 can enter the field of view of the user, thereby ensuring that the display module can normally display the display picture of the display panel 1, and avoiding incomplete or distorted display picture seen by the user. Specifically, the light-transmitting area may be corresponding to the sub-pixel area in a corresponding manner in which one light-transmitting area or a plurality of light-transmitting areas correspond to one sub-pixel area. Further, in order to better fuse and display the display image of the display panel 1 with the reflective image of the first film material to the user, a corresponding manner that each of the plurality of light-transmitting areas corresponds to one sub-pixel area is preferably adopted.
It should be noted that, in order to realize the combination display of the display screen and the specular reflection screen, the size of each light-transmitting area of the first film layer 2 should be relatively small to the extent that it is invisible to the naked eye in a macroscopic sense, at this time, the whole first film layer 2 may be regarded as a whole film layer, and the reflection area is utilized to reflect the ambient light, so that the display surface side facing the display module may display the real ambient screen in a specular manner; and each light-transmitting area can allow light to pass through in microcosmic, so that the light of the backlight source can pass through the light-transmitting area and irradiate to the display module to provide backlight for the display module to display pictures, or the light emitted by the self-luminous display module can directly pass through the light-transmitting area and enter human eyes, so that the human eyes can see the display pictures of the display module.
In this embodiment, in order to enable the reflective screen and the display screen to be well integrated, it is preferable that the light-transmitting area and the reflective area of the first film layer 2 are uniformly distributed. Meanwhile, in the present embodiment, the final display effect of the display module is determined by the setting ratio of the light transmitting area and the reflecting area of the first film layer 2. In practical application, a technician can specifically adjust the setting of the light transmitting area and the reflecting area of the first film layer 2 according to the user requirement or the actual situation requirement, which is not limited in this embodiment.
It can be understood that, based on the correspondence between the light-transmitting region and the sub-pixel region, the size of the light-transmitting region should be smaller than that of the sub-pixel region. Since the size of the sub-pixels is at the micrometer level, the size of the light-transmitting region in the present embodiment should be at least at the micrometer level or even at the nanometer level. Of course, as the resolution of the display panel 1 increases, the size of the sub-pixel region may be smaller, and the size of the light-transmitting region should be reduced.
In the display panel 1 in the prior art, the sub-pixel regions are generally arranged in an array, so that the light-transmitting regions are also preferably arranged in an array. For example, the first film layer 2 may be a film layer with a grid pattern, the grid areas arranged in an array are light-transmitting areas, and the other areas are reflecting areas.
Preferably, in this embodiment, the first film layer 2 is a patterned film layer, the hollowed-out portion 21 of the first film layer 2 defines a light-transmitting area, and the main body portion of the first film layer 2 defines a reflecting area.
As shown in fig. 1, the first film layer 2 is a patterned film layer, and has a main portion and a hollowed-out portion 21. The light-transmitting area of the first film layer 2 may be defined by the hollowed-out portion 21, that is, the light-transmitting area of the first film layer 2 corresponds to the hollowed-out area thereof; the reflective area of the first film layer 2 is defined by the body portion. In this embodiment, the body portion may be formed by using a reflective material, or a reflective film layer may be formed on the body portion of the first film layer 2 to realize the function of specular reflection. It will be appreciated therein that when the reflective film layer is formed by forming the reflective film layer on the main body portion of the first film layer 2, the reflective film layer should be formed at least on the display side of the main body portion (i.e., the side closer to the eyes of the user). Specifically, the hollowed-out portion 21 of the first film layer 2 in this embodiment may be implemented by photolithography, and the difficulty in implementing the photolithography process is different according to the size of the light-transmitting area.
Preferably, the material of the first film layer 2 may include a high reflectivity metal. That is, the first film layer 2 in this embodiment may be a metal grid film. In particular, the high reflectivity metal may include aluminum, silver, and the like. The reason for using these materials is that the reflectivity of these materials to visible light is high, which can reach more than 95%, and the requirement of specular reflection in this embodiment can be satisfied well. Further, since the reflectance of silver is higher, silver is preferably used to form the first film layer 2. Of course, it will be appreciated that aluminum or other materials may be used instead of silver due to the relatively high cost of silver materials, and the present embodiment is not limited in this regard.
Example 2:
as shown in fig. 1 and 2, the present embodiment provides a display module, which is substantially the same as the display module provided in embodiment 1. Particularly, the display module provided in the embodiment is particularly suitable for a display module such as a liquid crystal display module which needs to be additionally provided with a backlight module.
As shown in fig. 2, the display module provided in this embodiment includes: the display panel 1 includes a light-transmitting display panel 1; the display module assembly still includes: a backlight module for providing a backlight source for the display panel 1; the first film layer 2 is disposed between the display panel 1 and the backlight module.
That is, in the display module provided in this embodiment, the backlight module 5 mainly provides a backlight source for the display panel 1, so as to realize the display function of the display module. In the present embodiment, the first film layer 2 is disposed between the display panel 1 and the backlight module. That is, the light emitted by the backlight module passes through the light-transmitting area of the first film layer 2 and then enters the sub-pixel area of the corresponding display panel 1 through the light-transmitting area, so as to realize the display function.
Because the first film layer 2 is disposed between the display panel 1 and the backlight module, in order to achieve the reflective function of the first film layer 2, the display panel 1 should have a light-transmitting state, so that the external ambient light can pass through the display panel 1 and then be reflected by the first film layer 2, and the reflected ambient light can pass through the display panel 1 again, and enter the user field of view to form a reflective screen.
The structure of the first film layer 2 in this embodiment is substantially the same as that of the first film layer 2 provided in embodiment 1. The first film layer 2 is preferably a patterned film layer, and has a main portion and a hollowed-out portion 21. The light-transmitting area of the first film layer 2 may be defined by the hollow portion 21, and the reflecting area is defined by the main portion. Further preferably, in this embodiment, a surface of the reflective area of the first film layer 2, which is close to the display panel 1, includes an arc-shaped protrusion structure. That is, as shown in fig. 3, the surface of the first film layer 2 near the eyes of the user is in an arc-shaped convex shape. The arc-shaped protruding structure is used for enhancing the reflection capability of the first film layer 2 on external environment light.
Specifically, as shown in fig. 2, when the first film layer 2 is a patterned film layer, the side surface of the main body portion of the first film layer 2 (specifically, the side surface contacting the hollowed-out portion 21) may be treated so that each side surface of the main body portion and the upper surface close to the display panel 1 together form an arc structure, that is, the cross-sectional shape of the main body portion of the patterned first film layer 2 is a semicircular arc. Compared with the structure that the conventional cross section in the prior art is rectangular or trapezoid (the ideal state is rectangular after the film layer patterning treatment, and the structure is usually trapezoid in practice), the main body part of the circular arc-shaped cross section in the embodiment has a larger reflection angle range for ambient light and a corresponding higher reflectivity, so that the obtained specular reflection picture is clearer.
Preferably, in this embodiment, the method further includes: the anti-reflection film layer 3 is disposed between the first film layer 2 and the backlight module, and is used for increasing the light transmittance of the first film layer 2, thereby reducing the light energy loss of the backlight module as much as possible and improving the light energy utilization rate of the backlight module. Meanwhile, the anti-reflection film layer 3 can be used as a protection layer of the first film layer 2 for protecting one surface of the first film layer 2 close to the backlight module.
Preferably, in this embodiment, the method further includes: the reflection enhancing film layer 4 is arranged between the first film layer 2 and the display panel 1 and is used for increasing the reflection rate of the first film layer 2, so that the reflection intensity of the first film layer 2 to external environment light is increased as much as possible, and the utilization rate of the external environment light is improved. It is understood that the reflection enhancing film layer 4 may also be used as a protection layer for the first film layer 2, for protecting a surface of the first film layer 2 near the display panel 1.
Example 3:
the present embodiment provides a display module similar to the display module provided in embodiments 1 and 2. In particular, in the display module provided in this embodiment, the first film layer 2 is disposed on the display side of the display panel 1.
The display panel 1 may be a self-luminous display panel such as an OLED display panel 1, or may be a non-self-luminous display panel 1 such as a liquid crystal display panel 1.
In this embodiment, the first film layer 2 is disposed on the display surface side of the display panel 1, that is, when the display module provided in this embodiment displays, light emitted by each sub-pixel area (light emitted by the backlight module or light generated by the display panel 1) passes through the light-transmitting area of the first film layer 2 and enters the human eyes to form a display screen. Meanwhile, as shown in fig. 5, the reflective area of the first film layer 2 performs specular reflection on the external ambient light, so that a specular reflection image can be formed in the eyes of the user. In this way, when the display panel 1 displays, the user can see the image fused with the display image and the reflection image at the same time; when the display panel 1 does not display, the user sees the reflection screen as much as possible as shown in fig. 4.
Of course, it can be understood that the ratio of the intensities of the display screen and the reflection screen entering the human eyes can be specifically adjusted according to the ratio of the light transmission area to the reflection area of the first film layer 2, which is not specifically limited in this embodiment.
Preferably, in this embodiment, a side of the reflective area of the first film layer 2 facing away from the display side of the display panel 1 includes an arc-shaped protruding structure.
I.e. the side of the reflective area of the first film layer 2 close to the eyes of the user comprises an arc-shaped protruding structure.
Specifically, similar to embodiment 2, as shown in fig. 3, when the first film layer 2 is a patterned film layer, the side surface of the main body portion (specifically, the side surface contacting the hollowed-out portion 21) of the first film layer 2 may be treated, so that each side surface of the main body portion and the upper surface facing away from the display panel 1 together form an arc structure, thereby enhancing the reflection capability of the first film layer on ambient light.
Preferably, in this embodiment, the method further includes: the anti-reflection film layer 3 is disposed on a side of the first film layer 2 near the display panel 1, and is used for increasing the light transmittance of the first film layer 2, thereby reducing the light energy loss of the backlight module as much as possible and improving the light energy utilization rate of the backlight module. Meanwhile, the anti-reflection film layer 3 can be used as a protection layer of the first film layer 2 for protecting one surface of the first film layer 2 close to the display panel 1.
Preferably, in this embodiment, the method further includes: the reflection enhancing film layer 4 is arranged on one side, away from the display panel 1, of the first film layer 2 and is used for increasing the reflection rate of the first film layer 2, so that the reflection intensity of the first film layer 2 on external environment light is increased as much as possible, and the utilization rate of the external environment light is improved. It will be appreciated that the reflection enhancing film layer 4 may also serve as a protective layer for the first film layer 2 for protecting the side of the first film layer 2 facing away from the display panel 1.
Example 4:
the present embodiment provides a display device, which may include any one of the display modules provided in embodiments 1 to 3.
The display device provided in this embodiment may be preferably any product or component with a display function, such as electronic paper, mobile phone, tablet computer, television, display, notebook computer, digital photo frame, navigator, etc. Since the display device in the present embodiment includes any one of the display panels 1 provided in 1 to 3, it can realize the display while also realizing the specular reflection, and the specular reflection screen is displayed to the user in combination with the display screen of the display panel 1.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present invention, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the invention, and are also considered to be within the scope of the invention.
Claims (5)
1. A display module, comprising:
a display panel including a plurality of sub-pixel regions;
the first film layer is arranged corresponding to the display panel; the first film layer is divided into a plurality of light-transmitting areas and reflecting areas; each plurality of light-transmitting areas corresponds to one sub-pixel area; the reflection area is used for reflecting outside environment light back to the outside so that the display module can realize specular reflection;
one surface of the reflecting area of the first film layer, which is close to the eyes of the user, comprises an outwards convex arc-shaped bulge structure;
the display panel comprises a light-transmitting display panel; the display module assembly still includes: a backlight module for providing a backlight source for the display panel;
the first film layer is arranged between the display panel and the backlight module;
the first film layer is a patterned film layer, the hollowed-out part of the first film layer defines the light transmission area, and the main body part of the first film layer defines the reflection area.
2. The display module of claim 1, wherein the plurality of sub-pixel regions are arranged in an array; the light-transmitting areas are arranged in an array;
the light-transmitting areas are in one-to-one correspondence with the sub-pixel areas;
or, each plurality of the light-transmitting areas corresponds to one sub-pixel area.
3. The display module of claim 1, further comprising:
the antireflection film layer is arranged between the first film layer and the backlight module and is used for increasing the light transmittance of the first film layer.
4. The display module of claim 1, further comprising:
the reflection enhancing film layer is arranged between the first film layer and the display panel and is used for increasing the reflection rate of the first film layer.
5. A display device comprising the display module of any one of claims 1 to 4.
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| CN201911090099.8A CN110782781B (en) | 2019-11-08 | 2019-11-08 | Display module and display device |
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| CN201911090099.8A CN110782781B (en) | 2019-11-08 | 2019-11-08 | Display module and display device |
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| CN110782781B true CN110782781B (en) | 2024-01-12 |
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| CN113871429B (en) * | 2021-09-16 | 2022-10-04 | 深圳市华星光电半导体显示技术有限公司 | Display device, control method of display device, and electronic apparatus |
| CN113820898B (en) * | 2021-09-27 | 2024-02-02 | 苏州清越光电科技股份有限公司 | Electrochromic panel and preparation method thereof |
| CN115061309A (en) * | 2022-07-19 | 2022-09-16 | 闻泰通讯股份有限公司 | Display device and manufacturing method thereof |
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