CN112485944A - Novel Mini-LED quantum dot structure backlight module for liquid crystal display television - Google Patents
Novel Mini-LED quantum dot structure backlight module for liquid crystal display television Download PDFInfo
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- CN112485944A CN112485944A CN202011358898.1A CN202011358898A CN112485944A CN 112485944 A CN112485944 A CN 112485944A CN 202011358898 A CN202011358898 A CN 202011358898A CN 112485944 A CN112485944 A CN 112485944A
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- quantum dot
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- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a novel Mini-LED quantum dot structure backlight module for a liquid crystal television, which comprises: the structure back plate is provided with an installation space with an upward opening; the circuit board is installed in installation space, and the upper surface has a plurality of LED lamp pearls: the quantum dot lens is covered on the LED lamp bead; and the diffusion structure is arranged on the opening side of the structural back plate. According to the invention, the blue light emitted by the LED lamp beads excites the red and green quantum dots mixed in the quantum dot lens, so that the required uniform and soft white light is obtained, and then the light emitted by the point light source is scattered through the diffusion structure to form the surface light source, so that the backlight module required by the high color gamut and the high saturation of the whole liquid crystal television is provided.
Description
Technical Field
The invention relates to the field of display equipment, in particular to a novel Mini-LED quantum dot structure backlight module for a liquid crystal display television.
Background
With the development of LED liquid crystal display technology, LED liquid crystal displays have been widely used in life and industrial production. The lcd panel is the most important component of the lcd tv, and since it does not emit light, it needs to be displayed by the backlight module.
The traditional backlight module usually utilizes LED lamp beads to backlight, and backlight is uneven and difficult to meet the backlight requirements of high color gamut and high saturation.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a novel Mini-LED quantum dot structure backlight module for a liquid crystal display television, which improves the display effect.
According to a first aspect of the invention, a novel Mini-LED quantum dot structure backlight module for a liquid crystal television comprises: the structure back plate is provided with an installation space with an upward opening; the circuit board is installed in installation space, and the upper surface has a plurality of LED lamp pearls: the quantum dot lens is covered on the LED lamp bead; and the diffusion structure is arranged on the opening side of the structural back plate.
The novel Mini-LED quantum dot structure backlight module for the liquid crystal display television provided by the embodiment of the invention at least has the following technical effects: the blue light emitted by the LED lamp beads excites the red and green quantum dots mixed in the quantum dot lens, so that the required uniform and soft white light is obtained, and then the light emitting scattering of the point light source is formed into a surface light source through the diffusion structure, so that the backlight module required by the high color gamut and the high saturation of the whole liquid crystal television is provided.
According to some embodiments of the invention, the LED lamp beads and the quantum dot lenses are provided in a plurality and in a mutually corresponding matrix arrangement.
According to some embodiments of the invention, the quantum dot lens is correspondingly covered with a plurality of LED lamp beads.
According to some embodiments of the invention, the device further comprises a mounting frame, all the quantum dot lenses are mounted on the mounting frame, and the mounting frame is fixedly connected with the structural backboard through a fastener.
According to some embodiments of the invention, the installation space side walls are provided with horizontally extending attachment portions, and the mounting frame rim bears against the attachment portions and is provided with corresponding holes for attachment and fixation by means of fasteners.
According to some embodiments of the invention, the mounting frame comprises a frame, a cross-bar, and a longitudinal connection; the quantum dot lens matrix is arranged in the frame selection range of the frame, the transverse bars are arranged in the frame and penetrate between two adjacent rows of quantum dot lenses, and the longitudinal connecting parts are arranged on the transverse bars and connected with the quantum dot lenses arranged on two sides of the transverse bars.
According to some embodiments of the invention, a reflective structure is provided between the circuit board and the bottom wall of the mounting space.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of an installation structure of an embodiment of the present invention;
fig. 2 is a schematic view of a connection structure of a mounting frame and a quantum dot lens according to an embodiment of the present invention.
Reference numerals:
the structure comprises a structure back plate 100, an installation space 101, a connecting part 110, a screw 111 and a reflecting structure 120;
a circuit board 200 and LED lamp beads 210;
a quantum dot lens 300;
a diffusion structure 400;
the mounting frame 500, the frame 510, the connection hole 511, the horizontal bar 520, the vertical connection part 530.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 2, the novel Mini-LED quantum dot structure backlight module for the lcd tv according to the embodiment of the present invention includes a structure back plate 100, a circuit board 200, a quantum dot lens 300, and a diffusion structure 400.
The structural backing plate 100 has an installation space 101 with an upward opening; circuit board 200 is installed in installation space 101, and the upper surface has a plurality of LED lamp pearls 210, and circuit board 200 accessible reserves the hole site in order to be fixed in on the installation space 101 diapire through the screw connection usually.
The quantum dot lens 300 is covered on the LED lamp bead 210; the quantum dot lens 300 is a lens structure prepared by synthesizing quantum dots and transparent plastic or composite materials, the diffusion structure 400 is installed on the opening side of the structural back plate 100, the diffusion structure 400 can be in a diffusion film or diffusion plate structure form, and the diffusion structure 400 can scatter the light emitted by a point light source to form a surface light source to form uniform backlight.
According to the novel Mini-LED quantum dot structure backlight module for the liquid crystal television, disclosed by the embodiment of the invention, blue light emitted by the LED lamp beads excites red and green quantum dots mixed in the quantum dot lens, so that required uniform and soft white light is obtained, and then light emitted by a point light source is scattered through the diffusion structure to form a surface light source, so that the backlight module required for providing high color gamut and high saturation of the whole liquid crystal television is achieved.
In some embodiments of the present invention, the LED lamp beads 210 and the quantum dot lens 300 are provided in a plurality and arranged in a matrix corresponding to each other, so as to provide a multi-position uniform backlight.
In some embodiments of the present invention, the quantum dot lens 300 covers the plurality of LED beads 210, so that the number of the quantum dot lens 300 can be reduced and the cost can be reduced without affecting the backlight performance.
In some embodiments of the present invention, a mounting frame 500 is further included, all the quantum dot lenses 300 are mounted on the mounting frame 500, and the mounting frame 500 is connected and fixed to the structural backplane 100 by a fastener, so that the mounting of all the quantum dot lenses can be realized by connecting the mounting frame 500 to the structural backplane 100, and the mounting is simplified.
In some embodiments of the present invention, the side wall of the installation space 101 is provided with a connecting portion 110 extending horizontally, the mounting frame 500 is supported at the edge of the connecting portion 110 and is provided with corresponding holes for fastening by fasteners, and the mounting frame 500 is supported and positioned by the connecting portion 110 and provides a good connecting position, so that the installation and connection are more convenient. The fastening member is a screw 111, and the connecting portion 110 is provided with a corresponding threaded hole for mounting the screw 111.
In some embodiments of the present invention, mounting frame 500 includes a frame 510 and a cross-bar 520; the quantum dot lenses 300 are arranged in a matrix within the frame selection range of the frame 510, the horizontal bars 520 are arranged in the frame 510 and penetrate between two adjacent rows of the quantum dot lenses 300, the horizontal bars 520 extend towards the two rows of the quantum dot lenses 300 on both sides to form longitudinal connecting portions 530 to be connected with the quantum dot lenses 300, and the longitudinal connecting portions 530 are arranged on both sides of the horizontal bars 520 to connect the two rows of the quantum dot lenses 300 on both sides of the horizontal bars 520 one by one. Thereby realizing the matrix arrangement and connection installation of the quantum dot lens 300. Referring to fig. 2, the frame 510 has connection holes 511 at four corners thereof for the screws 111 to pass through.
In some embodiments of the present invention, a reflective structure 120 is disposed between the circuit board 200 and the bottom wall of the mounting space 101 to reflect backward-irradiated light forward, thereby improving backlight intensity. The reflective structure 120 may be a reflective paper or a reflective plate having a reflective function.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a LCD TV is with novel Mini-LED quantum dot structure backlight unit which characterized in that includes:
a structural backing plate (100) having an upwardly open mounting space (101);
circuit board (200), install in installation space (101), the upper surface has a plurality of LED lamp pearls (210):
the quantum dot lens (300) is covered on the LED lamp bead (210);
a diffusion structure (400) mounted on the open side of the structural backplate (100).
2. The novel Mini-LED quantum dot structure backlight module for the LCD TV set as claimed in claim 1, wherein: the LED lamp beads (210) and the quantum dot lenses (300) are provided with a plurality of corresponding matrix arrangements.
3. The novel Mini-LED quantum dot structure backlight module for the LCD TV set as claimed in claim 2, wherein: the quantum dot lens (300) is correspondingly covered with a plurality of LED lamp beads (210).
4. The novel Mini-LED quantum dot structure backlight module for the LCD TV set as claimed in claim 2, wherein: the quantum dot lens structure further comprises a mounting frame (500), all the quantum dot lenses (300) are mounted on the mounting frame (500), and the mounting frame (500) is fixedly connected with the structural backboard (100) through a fastening piece.
5. The novel Mini-LED quantum dot structure backlight module for the LCD TV set as claimed in claim 4, wherein: the lateral wall of the installation space (101) is provided with a connecting part (110) extending horizontally, and the edge of the installation frame (500) is supported on the connecting part (110) and is provided with a corresponding hole for connecting and fixing through a fastener.
6. The novel Mini-LED quantum dot structure backlight module for the LCD TV set as claimed in claim 5, wherein: the mounting frame (500) comprises a frame (510) and a cross-bar (520); the quantum dot lenses (300) are arranged in the frame selection range of the frame (510) in a matrix mode, the transverse strips (520) are arranged in the frame (510) and penetrate between two adjacent rows of quantum dot lenses (300), and the transverse strips (520) extend towards the two rows of quantum dot lenses (300) on two sides to form longitudinal connecting portions (530) to be connected with the quantum dot lenses (300).
7. The novel Mini-LED quantum dot structure backlight module for the LCD TV set as claimed in claim 1, wherein: a reflecting structure (120) is arranged between the circuit board (200) and the bottom wall of the mounting space (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011358898.1A CN112485944A (en) | 2020-11-27 | 2020-11-27 | Novel Mini-LED quantum dot structure backlight module for liquid crystal display television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011358898.1A CN112485944A (en) | 2020-11-27 | 2020-11-27 | Novel Mini-LED quantum dot structure backlight module for liquid crystal display television |
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| Publication Number | Publication Date |
|---|---|
| CN112485944A true CN112485944A (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011358898.1A Pending CN112485944A (en) | 2020-11-27 | 2020-11-27 | Novel Mini-LED quantum dot structure backlight module for liquid crystal display television |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI822078B (en) * | 2022-06-02 | 2023-11-11 | 智崴資訊科技股份有限公司 | Led display device |
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| CN107246563A (en) * | 2017-07-26 | 2017-10-13 | 合肥惠科金扬科技有限公司 | Quantum dot backlight module, display and quantum dot lens making methods |
| CN107728376A (en) * | 2017-09-27 | 2018-02-23 | 深圳Tcl新技术有限公司 | Backlight module and display device |
| CN108051953A (en) * | 2018-01-12 | 2018-05-18 | 安徽芯瑞达科技股份有限公司 | A kind of high colour gamut down straight aphototropism mode set of low mixed light height |
| CN207718119U (en) * | 2018-01-24 | 2018-08-10 | 广州市鸿利智显科技有限公司 | A kind of quantum dot lens, lamp bar and backlight module |
| CN109239976A (en) * | 2018-10-24 | 2019-01-18 | 深圳市万普拉斯科技有限公司 | Quantum dot backlight module and quantum dot liquid crystal display device |
| CN209762880U (en) * | 2019-04-30 | 2019-12-10 | 中山市蜀粤照明科技有限公司 | Street lamp light-emitting component and street lamp |
| CN110837192A (en) * | 2018-08-16 | 2020-02-25 | 深圳Tcl新技术有限公司 | Liquid crystal display backlight module |
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2020
- 2020-11-27 CN CN202011358898.1A patent/CN112485944A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246563A (en) * | 2017-07-26 | 2017-10-13 | 合肥惠科金扬科技有限公司 | Quantum dot backlight module, display and quantum dot lens making methods |
| CN107728376A (en) * | 2017-09-27 | 2018-02-23 | 深圳Tcl新技术有限公司 | Backlight module and display device |
| CN108051953A (en) * | 2018-01-12 | 2018-05-18 | 安徽芯瑞达科技股份有限公司 | A kind of high colour gamut down straight aphototropism mode set of low mixed light height |
| CN207718119U (en) * | 2018-01-24 | 2018-08-10 | 广州市鸿利智显科技有限公司 | A kind of quantum dot lens, lamp bar and backlight module |
| CN110837192A (en) * | 2018-08-16 | 2020-02-25 | 深圳Tcl新技术有限公司 | Liquid crystal display backlight module |
| CN109239976A (en) * | 2018-10-24 | 2019-01-18 | 深圳市万普拉斯科技有限公司 | Quantum dot backlight module and quantum dot liquid crystal display device |
| CN209762880U (en) * | 2019-04-30 | 2019-12-10 | 中山市蜀粤照明科技有限公司 | Street lamp light-emitting component and street lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI822078B (en) * | 2022-06-02 | 2023-11-11 | 智崴資訊科技股份有限公司 | Led display device |
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