CN113970859A - Reflector plate, backlight module and display - Google Patents
Reflector plate, backlight module and display Download PDFInfo
- Publication number
- CN113970859A CN113970859A CN202010717487.0A CN202010717487A CN113970859A CN 113970859 A CN113970859 A CN 113970859A CN 202010717487 A CN202010717487 A CN 202010717487A CN 113970859 A CN113970859 A CN 113970859A
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- light
- transparent
- adhesive layer
- transparent adhesive
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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
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0284—Diffusing elements; Afocal elements characterized by the use used in reflection
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0051—Diffusing sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a reflector plate, a backlight module and a display, wherein the reflector plate comprises a reflecting substrate layer and a transparent bonding layer arranged on one side of the reflecting substrate layer; light diffusion particles are arranged in the transparent bonding layer. According to the invention, the light diffusion particles are additionally arranged in the transparent bonding layer positioned on the light incidence side of the reflecting substrate layer, so that when light is incident into the transparent bonding layer through the light guide plate, the light diffusion particles can diffuse the light, the phenomenon that the light is gathered to form bright light and the visual effect is uneven is avoided, the light emitted from the reflecting sheet is more uniform, and the visual effect is improved.
Description
Technical Field
The invention relates to the technical field of display equipment, in particular to a reflector plate, a backlight module and a display.
Background
In order to achieve the optimal light efficiency utilization effect of the side-entry backlight module, the non-light-entry side end face of the optical component light guide plate of the conventional side-entry backlight module needs to be processed and attached with a side reflector plate with a certain reflectivity. With the development of display technology and the increasing demand of consumer groups, ultra-thin models with ultra-narrow frames or without frames have become the mainstream, and in such model products, the reflection efficiency of the reflector plate on light is poor due to the fact that the width of the black edge of the liquid crystal display screen is reduced, so that the problem of poor visual effect of the display is caused.
Disclosure of Invention
The present invention provides a reflective sheet, a backlight module and a display device, aiming at the above-mentioned defects in the prior art.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a reflective sheet comprises a reflective substrate layer and a transparent bonding layer arranged on one side of the reflective substrate layer; light diffusion particles are arranged in the transparent bonding layer.
The reflector plate, wherein, transparent adhesive linkage includes first transparent glue film, sets up the transparent substrate layer of one side of first transparent glue film and setting are in the transparent substrate layer is kept away from the second transparent glue film of first transparent glue film one side, the second transparent glue film is kept away from one side of transparent substrate layer with the reflection substrate layer bonds.
The light diffusion particles are arranged in the first transparent adhesive layer and/or the second transparent adhesive layer.
And when the light diffusion particles are arranged in the first transparent adhesive layer and the second transparent adhesive layer, the light diffusion particles in the first transparent adhesive layer are the same as or different from the light diffusion particles in the second transparent adhesive layer.
The reflector plate is characterized in that a frosted layer is arranged on one side, close to the first transparent adhesive layer, of the transparent substrate layer and/or one side, close to the second transparent adhesive layer, of the transparent substrate layer.
The reflective sheet, wherein the light diffusing particles are white light diffusing particles, black light diffusing particles, or gray light diffusing particles.
In the reflective sheet, the diffusion particles provided in the transparent adhesive layer include at least two of white light diffusion particles, black light diffusion particles, and gray light diffusion particles.
A backlight module comprises the reflector plate.
The backlight module also comprises a light guide plate and a light source, wherein the light guide plate comprises a light incident surface and a side surface, and the light source is arranged on the light incident surface and has a gap with the light guide plate; the side surfaces of the light guide plate are provided with the reflecting sheets; one side of the first transparent adhesive layer, which is far away from the reflection substrate layer, is bonded with the light guide plate.
A display comprises the backlight module.
Has the advantages that: according to the invention, the light diffusion particles are additionally arranged in the transparent bonding layer positioned on the light incidence side of the reflecting substrate layer, so that when light is incident into the transparent bonding layer through the light guide plate, the light diffusion particles can diffuse the light, the phenomenon that the light is gathered to form bright light and the visual effect is uneven is avoided, the light emitted from the reflecting sheet is more uniform, and the visual effect is improved.
Drawings
Fig. 1 is a schematic structural view of the reflective sheet according to the present invention, when the light reflective particles are disposed in the first transparent adhesive layer and the light reflective particles are not disposed in the second transparent adhesive layer;
fig. 2 is a schematic structural view of the reflective sheet when the light reflective particles are disposed in both the first transparent adhesive layer and the second transparent adhesive layer in the present invention;
FIG. 3 is a schematic diagram showing a comparison of the reflection spectra of the reflector of the present invention and a reflector of the prior art;
fig. 4 is a schematic structural diagram of the reflector plate when the frosted layer is disposed on both the side of the transparent substrate layer close to the first transparent adhesive layer and the side of the substrate layer close to the second transparent adhesive layer in the present invention;
FIG. 5 is a schematic view of a backlight module according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The present invention provides a reflective sheet, as shown in fig. 1 and 2, comprising: a reflecting substrate layer 2 and a transparent bonding layer 1; the transparent bonding layer 1 is arranged on one side of the reflecting base material layer 2; transparent adhesive linkage 1 keeps away from one side of reflection substrate layer 2 and being close to one side of reflection substrate layer 2 all has viscidity, thereby transparent adhesive linkage 1's both sides respectively with reflection substrate layer 2 and light guide plate bond realize reflection substrate layer 2 is in the non-income plain noodles's of light guide plate is attached. Light diffusion particles 3 are arranged in the transparent bonding layer 1; the light rays which are incident into the transparent bonding layer 1 from one side, far away from the reflecting substrate layer 2, of the transparent bonding layer 1 irradiate the light diffusion particles 3, and then are diffused under the action of the light diffusion particles 3, so that the light-emitting angle of the light rays is increased, and the phenomenon that the light rays are gathered to form a bright light area is avoided, so that the light rays are more uniform when being emitted from the reflector plate, and the problem that the visual effect is uneven when the reflector plate is used in a display is effectively avoided.
According to the invention, the light diffusion particles 3 are additionally arranged in the transparent bonding layer 1 positioned on the light incidence side of the reflection substrate layer 2, so that when light is incident into the transparent bonding layer 1 through the light guide plate, the light diffusion particles 3 can diffuse the light, the phenomenon that the light is gathered to form bright light and the visual effect is uneven is avoided, the light emitted from the reflector plate is more uniform, and the visual effect is improved.
The reflectivity of the reflector plate in the invention and the reflectivity of the reflector plate in the prior art at the same angle in the straight direction are detected: the higher the reflectivity is, the light rays are gathered to form bright light; and the lower the reflectivity is, the light is not easy to gather after being scattered, thereby not easy to form bright light and avoiding uneven visual effect. As shown in fig. 3, the abscissa represents the wavelength, the ordinate represents the reflectivity, the curve a is the reflectivity detection of the reflective sheet in the prior art, the curve B is the reflectivity detection of the reflective sheet in the present invention, and the curve B is significantly lower than the curve a, which indicates that the reflective sheet in the present invention has better visual effect when used in a display module.
In the invention, the light diffusion particles 3 are uniformly distributed in the transparent bonding layer 1; the light diffusion particles 3 are colored light diffusion particles, and in specific use, the light diffusion particles 3 with different colors can be selected according to actually required light reflection intensity. In a specific embodiment of the present invention, the light diffusion particles 3 are one or more of white light diffusion particles, black light diffusion particles, and gray light diffusion particles. When the large reflection intensity of the reflector plate required by a user is large, the white light diffusion particles are selected; and when the reflecting intensity of the reflector plate required by the user is smaller, selecting the black light diffusion particles or the gray light diffusion particles. Further, the light diffusion particles may have a spherical shape, an ellipsoidal shape, a tetragonal shape, a hexahedral shape (for example, a cubic shape), an octahedral shape, or the like, and the light diffusion particles in the transparent adhesive layer may have the same shape or may have different shapes to store part of the light diffusion particles.
Further, as shown in fig. 1 and fig. 2, the transparent adhesive layer 1 includes a first transparent adhesive layer 11, a transparent substrate layer 12, and a second transparent adhesive layer 13; one side of the first transparent adhesive layer 11 is bonded with the transparent substrate layer 12; one side of the transparent substrate layer 12, which is far away from the first transparent adhesive layer 11, is bonded with the second transparent adhesive layer 13; and one side of the second transparent adhesive layer 13, which is far away from the transparent substrate layer 12, is bonded with the reflection substrate layer 2. One side of the transparent substrate layer 12 is bonded with the second transparent adhesive layer 13, and the other side is bonded with the first transparent adhesive layer 11 to form a double-sided adhesive structure; the reflecting substrate layer 2 is positioned at the light incident side of the reflecting substrate layer 2 through the bonding of the second transparent adhesive layer 13.
In one implementation manner of this embodiment, the light diffusion particles 3 are disposed in both the first transparent adhesive layer 11 and the second transparent adhesive layer 13; as shown in fig. 2, while the second transparent adhesive layer 13 is used for bonding the reflective substrate layer 2 and the transparent substrate layer 12, light entering the second transparent adhesive layer 13 is further diffused by the light diffusion particles 3 in the second transparent adhesive layer 13, so that the light diffusion angle is further improved, the uniformity of light emitted from the reflector plate is further improved, and the visual effect is improved; further, the light diffusion particles 3 are uniformly distributed in the second transparent adhesive layer 13. In this embodiment, there is no limitation on whether the colors of the light diffusion particles in the first transparent adhesive layer 11 and the second transparent adhesive layer 13 are the same; the first transparent adhesive layer 11 and the second transparent adhesive layer 13 may have light diffusion particles of the same color or light diffusion particles of different colors. For example, black light diffusion particles are provided in the first transparent adhesive layer 11, and white light diffusion particles are provided in the second transparent adhesive layer 13. In addition, the light diffusion particles with the same shape may be disposed in the first transparent adhesive layer 11 and the second transparent adhesive layer 13, or the light diffusion particles with different shapes may be disposed in the first transparent adhesive layer 11, for example, the light diffusion particles with a spherical shape are disposed in the first transparent adhesive layer 11, and the light diffusion particles with a cubic shape are disposed in the second transparent adhesive layer 13.
In one implementation manner of the present embodiment, the light diffusion particles 3 are disposed in the first transparent adhesive layer 11, and the light diffusion particles 3 are not disposed in the second transparent adhesive layer 13; in this embodiment, as shown in fig. 1, the second transparent adhesive layer 13 is made of a transparent material, and the second transparent adhesive layer 13 is used for bonding the reflective substrate layer 2 and the transparent substrate layer 12 and allowing light to pass through without obstruction; the reflecting sheet changes the light reflection angle only through the light diffusion particles 3 in the first transparent adhesive layer 11, so as to improve the light uniformity.
In one implementation manner of this embodiment, the light diffusion particles 3 are not disposed in the first transparent adhesive layer 11, and the light diffusion particles 3 are disposed in the second transparent adhesive layer 13; when the light diffusion particles 3 are arranged in the first transparent adhesive layer 11 and the second transparent adhesive layer 13, after the reflection substrate layer 2 is bonded with the light guide plate by the transparent bonding layer 1, the light diffusion particles 3 can reduce bonding stability, and the reflection substrate layer 2 is easy to displace relative to the light guide plate under the action of high temperature; therefore, in the invention, the transparent substrate layer 12 is additionally arranged between the first transparent adhesive layer 11 and the second transparent adhesive layer 13, so that the first transparent adhesive layer 11 and the second transparent adhesive layer 13 are borne by the transparent substrate layer 12, and meanwhile, the reflection substrate layer 2 is positioned on one side of the transparent substrate layer 12 far away from the transparent adhesive layer 1 by the second transparent adhesive layer 13, so that the adhesion stability of the reflection sheet on the light guide plate is improved, and the phenomenon that the reflection substrate layer 2 shifts relative to the light guide plate under the action of high temperature is avoided.
The first transparent adhesive layer 11 and the second transparent adhesive layer 13 are acrylic resin transparent adhesive layers; reflection substrate layer 2 is antipollution, anti foreign matter reflection substrate layer 2, avoids the pollutant adhesion to lead to producing harmful effects to the reflection of light on the reflection substrate layer 2 to avoid influencing the visual effect.
Through transparent substrate layer 12 is right transparent adhesive linkage 1 with when second transparent glue film 13 carries out the attached bearing, follow the light of first transparent glue film 11 outgoing can pass through transparent substrate layer 12 gets into second transparent glue film 13, thereby gets into reflection substrate layer 2.
Further, transparent substrate layer 12 is close to one side of first transparent adhesive layer 11 sets up frosted layer 8, perhaps transparent substrate layer 12 is close to one side of second transparent adhesive layer 13 sets up frosted layer 8, perhaps as shown in fig. 4, transparent substrate layer 12 is close to one side of transparent adhesive layer 1 and transparent substrate layer 12 is close to one side of second transparent adhesive layer 13 all sets up frosted layer 8, through frosted layer 8 play with light diffusion particle 3's effect is the same, all reflects the diffusion to the light, avoids partial light gathering to cause to look to imitate bright dark uneven phenomenon production.
Specifically, whether the frosted layer 8 is arranged on one side of the transparent substrate layer 12 close to the first transparent glue layer 11 and one side of the transparent substrate layer 12 close to the second transparent glue layer 13 is determined by a user according to actual visual effect; if the visual effect still cannot meet the requirement after the light diffusion particles 3 in the first transparent adhesive layer 11 and the light diffusion particles 3 in the second transparent adhesive layer 13 act, the frosting layer 8 is arranged on the transparent substrate layer 12; after the light diffusion particles 3 in the first transparent adhesive layer 11 and the light diffusion particles 3 in the second transparent adhesive layer 13 act, the visual effect is good, and the frosting layer 8 does not need to be arranged on the transparent base material layer 12.
The invention also provides a backlight module, as shown in fig. 5, the backlight module comprises the reflector plate as described above; the display module further comprises a light guide plate 6 and a light source 7; the light guide plate comprises a light incident surface and a side surface, and the light source is arranged on the light incident surface and has a gap with the light guide plate; the side surfaces of the light guide plate are provided with the reflecting sheets; .
In a specific embodiment of the present invention, the light guide plate 6 is a rectangular light guide plate, the number of the reflective sheets is 3, and the 3 reflective sheets and the light sources 7 are sequentially distributed along the periphery of the light guide plate 6; the length of the reflective sheet attached along the wide side of the light guide plate 6 is equal to the width of the light guide plate 6, and covers the side surface of the light guide plate 6; the length of the reflective sheet attached along the long side of the light guide plate 6 is equal to the length of the light guide plate 6, and covers the side surface of the light guide plate 6.
The invention also provides a display, which comprises the backlight module.
In summary, the invention provides a reflective sheet, a backlight module and a display, wherein the reflective sheet comprises a reflective substrate layer and a transparent bonding layer arranged on one side of the reflective substrate layer; light diffusion particles are arranged in the transparent bonding layer. According to the invention, the light diffusion particles are additionally arranged in the transparent bonding layer positioned on the light incidence side of the reflecting substrate layer, so that when light is incident into the transparent bonding layer through the light guide plate, the light diffusion particles can diffuse the light, the phenomenon that the light is gathered to form bright light and the visual effect is uneven is avoided, the light emitted from the reflecting sheet is more uniform, and the visual effect is improved.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. A reflective sheet is characterized by comprising a reflective substrate layer and a transparent bonding layer arranged on one side of the reflective substrate layer; light diffusion particles are arranged in the transparent bonding layer.
2. The reflection sheet according to claim 1, wherein the transparent adhesive layer comprises a first transparent adhesive layer, a transparent substrate layer disposed on one side of the first transparent adhesive layer, and a second transparent adhesive layer disposed on one side of the transparent substrate layer away from the first transparent adhesive layer, and one side of the second transparent adhesive layer away from the transparent substrate layer is adhered to the reflection substrate layer.
3. The reflection sheet according to claim 2, wherein the light diffusion particles are provided in the first transparent adhesive layer and/or the second transparent adhesive layer.
4. The reflection sheet according to claim 3, wherein when the light diffusion particles are disposed in both the first transparent adhesive layer and the second transparent adhesive layer, the light diffusion particles in the first transparent adhesive layer are the same as or different from the light diffusion particles in the second transparent adhesive layer.
5. The reflection sheet according to claim 2, wherein a frosted layer is provided on one side of the transparent substrate layer adjacent to the first transparent adhesive layer and/or one side of the transparent substrate layer adjacent to the second transparent adhesive layer.
6. The reflection sheet according to claim 1, wherein the light diffusion particles are white light diffusion particles, black light diffusion particles, or gray light diffusion particles.
7. The reflection sheet according to claim 6, wherein the diffusion particles provided in the transparent adhesive layer include at least two of white light diffusion particles, black light diffusion particles, and gray light diffusion particles.
8. A backlight module comprising the reflective sheet according to any one of claims 1 to 7.
9. The backlight module as claimed in claim 8, further comprising a light guide plate and a light source, wherein the light guide plate comprises a light incident surface and a side surface, and the light source is disposed on the light incident surface and has a gap with the light guide plate; the side surfaces of the light guide plate are provided with the reflecting sheets; one side of the first transparent adhesive layer, which is far away from the reflection substrate layer, is bonded with the light guide plate.
10. A display comprising a backlight module according to any one of claims 8-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010717487.0A CN113970859A (en) | 2020-07-23 | 2020-07-23 | Reflector plate, backlight module and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010717487.0A CN113970859A (en) | 2020-07-23 | 2020-07-23 | Reflector plate, backlight module and display |
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| Publication Number | Publication Date |
|---|---|
| CN113970859A true CN113970859A (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010717487.0A Pending CN113970859A (en) | 2020-07-23 | 2020-07-23 | Reflector plate, backlight module and display |
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| Country | Link |
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| CN (1) | CN113970859A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115148111A (en) * | 2022-06-24 | 2022-10-04 | Tcl华星光电技术有限公司 | Display device and method for manufacturing the same |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001023421A (en) * | 1999-07-05 | 2001-01-26 | Nissha Printing Co Ltd | Surface light emitting device |
| CN1621905A (en) * | 2003-11-28 | 2005-06-01 | 鸿富锦精密工业（深圳）有限公司 | Backlight system |
| CN101109824A (en) * | 2006-07-17 | 2008-01-23 | 宣茂科技股份有限公司 | Photo-diffusing reflection sheet with directivity |
| CN201439904U (en) * | 2009-04-24 | 2010-04-21 | 奕东电子（湖北）有限公司 | Liquid crystal display backlight source |
| CN105757527A (en) * | 2014-12-15 | 2016-07-13 | 苏州璨宇光学有限公司 | Backlight module |
| CN107102399A (en) * | 2017-07-03 | 2017-08-29 | 许晶 | A kind of high-efficiency and energy-saving type backlight and its liquid crystal display panel |
| JP2017174581A (en) * | 2016-03-23 | 2017-09-28 | シチズン時計株式会社 | Backlight |
| CN207067599U (en) * | 2017-07-05 | 2018-03-02 | 合肥惠科金扬科技有限公司 | Backlight module and display device |
| CN207992641U (en) * | 2018-03-12 | 2018-10-19 | 东莞市银泰丰光学科技有限公司 | One kind exempting from light guide plate side entrance back module structure |
-
2020
- 2020-07-23 CN CN202010717487.0A patent/CN113970859A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001023421A (en) * | 1999-07-05 | 2001-01-26 | Nissha Printing Co Ltd | Surface light emitting device |
| CN1621905A (en) * | 2003-11-28 | 2005-06-01 | 鸿富锦精密工业（深圳）有限公司 | Backlight system |
| CN101109824A (en) * | 2006-07-17 | 2008-01-23 | 宣茂科技股份有限公司 | Photo-diffusing reflection sheet with directivity |
| CN201439904U (en) * | 2009-04-24 | 2010-04-21 | 奕东电子（湖北）有限公司 | Liquid crystal display backlight source |
| CN105757527A (en) * | 2014-12-15 | 2016-07-13 | 苏州璨宇光学有限公司 | Backlight module |
| JP2017174581A (en) * | 2016-03-23 | 2017-09-28 | シチズン時計株式会社 | Backlight |
| CN107102399A (en) * | 2017-07-03 | 2017-08-29 | 许晶 | A kind of high-efficiency and energy-saving type backlight and its liquid crystal display panel |
| CN207067599U (en) * | 2017-07-05 | 2018-03-02 | 合肥惠科金扬科技有限公司 | Backlight module and display device |
| CN207992641U (en) * | 2018-03-12 | 2018-10-19 | 东莞市银泰丰光学科技有限公司 | One kind exempting from light guide plate side entrance back module structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115148111A (en) * | 2022-06-24 | 2022-10-04 | Tcl华星光电技术有限公司 | Display device and method for manufacturing the same |
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