CN106707603B - Liquid crystal display panel and display device - Google Patents
Liquid crystal display panel and display device Download PDFInfo
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- CN106707603B CN106707603B CN201710104560.5A CN201710104560A CN106707603B CN 106707603 B CN106707603 B CN 106707603B CN 201710104560 A CN201710104560 A CN 201710104560A CN 106707603 B CN106707603 B CN 106707603B
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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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- 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
Abstract
A liquid crystal display panel comprises an array substrate, a color film substrate and a liquid crystal layer arranged between the array substrate and the color film substrate, wherein the array substrate comprises a substrate and a metal layer arranged on the inner side of the substrate, the metal layer is positioned below a black matrix film layer of the color film substrate, a light reflecting part for changing a light propagation path is further arranged on the substrate, and the light reflecting part is positioned below the metal layer. The liquid crystal display panel can fully utilize the light source, achieve the effect of energy saving and improve the penetration rate. The invention also relates to a display device.
Description
Technical Field
The invention relates to the technical field of liquid crystal display devices, in particular to a liquid crystal display panel and a display device.
Background
Display panels and panel display devices using the same have gradually become the mainstream of various display devices. Such as various panel displays, flat panel monitors for home use, flat panel televisions for personal computers and laptop computers, displays for mobile phones and digital cameras, and the like, are products using a large number of display panels. In particular, in recent years, the market demand for liquid crystal display devices has grown greatly, and backlight module designs used for liquid crystal display devices have been diversified in accordance with the functional and appearance requirements of the liquid crystal display devices.
The liquid crystal display device mainly comprises a liquid crystal panel with a backlight module arranged on a back module, wherein the liquid crystal panel comprises an array substrate (namely a TFT substrate) and a color film substrate (namely a CF substrate) which are assembled in a box-to-box mode and are prepared by filling liquid crystal. The array substrate comprises a metal layer (a grid line, namely a scanning line) and a TFT (thin film transistor) pattern, a via hole pattern and a pixel electrode (namely a display electrode) pattern, wherein the substrate is arranged on the substrate. The color film substrate comprises a substrate, and a Black Matrix (BM) pattern, an RGB pattern, a common electrode pattern and the like which are arranged on the substrate. When light emitted by the backlight module passes through the liquid crystal panel, part of the light is covered by a metal layer of the array substrate and a Black Matrix (BM) pattern on the color film substrate, so that the light passing through the liquid crystal panel is reduced. Therefore, the conventional liquid crystal display device has low light transmittance and low light utilization rate.
Disclosure of Invention
The invention aims to provide a liquid crystal display panel which can fully utilize a light source, achieve the effect of energy saving and improve the penetration rate.
The technical problem to be solved by the invention is realized by adopting the following technical scheme.
A liquid crystal display panel comprises an array substrate, a color film substrate and a liquid crystal layer arranged between the array substrate and the color film substrate, wherein the array substrate comprises a substrate and a metal layer arranged on one side of the substrate close to the liquid crystal layer, the position of the metal layer is right opposite to the position of a black matrix film layer on the color film substrate, a light reflecting part for changing a light propagation path is further arranged on the substrate, and the light reflecting part is positioned below the metal layer.
In a preferred embodiment of the present invention, the light reflecting portion is disposed on a surface of the substrate, and the light reflecting portion is made of a metal material.
In a preferred embodiment of the present invention, the area of the light reflecting portion is smaller than or equal to the area of the metal layer, and the shape of the light reflecting portion is the same as that of the metal layer.
In a preferred embodiment of the present invention, a PV insulating layer is further disposed on the surface of the substrate, the PV insulating layer covers the light-reflecting portion, and the metal layer is disposed on the PV insulating layer.
In a preferred embodiment of the present invention, the substrate includes a first surface and a second surface opposite to each other, the first surface is provided with a first groove, the second surface is provided with a second groove, the first groove and the second groove are symmetrically arranged, the first groove is provided with a first reflective material therein, the second groove is provided with a second reflective material therein, and the first reflective material and the second reflective material form a reflective portion.
In a preferred embodiment of the present invention, the refractive indexes of the first light reflecting material and the second light reflecting material are smaller than the refractive index of the substrate.
In a preferred embodiment of the present invention, the cross-sections of the first groove and the second groove are isosceles triangles, an included angle between two groove walls of the first groove is less than or equal to 98 °, and an included angle between two groove walls of the second groove is less than or equal to 98 °.
In a preferred embodiment of the present invention, the depth of the first groove or the second groove is smaller than the thickness of 1/2 of the substrate.
In a preferred embodiment of the present invention, the cross-section of the first groove and the second groove is semicircular.
The invention aims to provide a display device which can fully utilize a light source, achieve the effect of energy saving and improve the penetration rate.
A display device comprises the liquid crystal display panel.
The liquid crystal display panel comprises an array substrate, a color film substrate and a liquid crystal layer arranged between the array substrate and the color film substrate, wherein the array substrate comprises a substrate and a metal layer arranged on the inner side of the substrate, the metal layer is positioned below a black matrix film layer of the color film substrate, a reflecting part for changing a light propagation path is arranged on the substrate, and the reflecting part is positioned below the metal layer. When light emitted by the backlight module passes through the liquid crystal display panel, the light reflecting part can change the propagation path of the light, so that the light avoids the metal layer and the black matrix film layer until the light is emitted from the color film layer of the color film substrate. Therefore, the liquid crystal display panel can fully utilize the light source to achieve the effect of energy conservation. Also, light passing through the liquid crystal display panel is increased, and transmittance is improved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are specifically described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a display device according to a first embodiment of the present invention.
Fig. 2 is a schematic view of the display device according to the first embodiment of the present invention when performing light-emitting display.
Fig. 3 is a schematic view of the reflectance of light of different wavelengths by the light reflecting portion of the present invention.
Fig. 4 is a schematic structural diagram of a display device according to a second embodiment of the present invention.
Fig. 5 is a schematic view of a display device according to a second embodiment of the present invention when performing light-emitting display.
Fig. 6 is a schematic structural diagram of a display device according to a third embodiment of the present invention.
Fig. 7 is a schematic view of a display device according to a third embodiment of the present invention when performing light-emitting display.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects of the liquid crystal display panel and the display device according to the present invention with reference to the accompanying drawings and the preferred embodiments is as follows:
the foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of preferred embodiments, which is to be read in connection with the accompanying drawings. While the present invention has been described in connection with the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and specific embodiments thereof.
Fig. 1 is a schematic structural diagram of a display device according to a first embodiment of the present invention. As shown in fig. 1, in the present embodiment, the display device 100 includes a liquid crystal display panel 10 and a backlight module 20, and the liquid crystal display panel 10 is disposed above the backlight module 20. The backlight assembly 20 is used for providing a light source to the liquid crystal display panel 10, and specifically, the backlight assembly 20 includes a light source, a reflective plate, a light guide plate, an optical film, and the like. In the embodiment, when the light emitted from the backlight module 20 passes through the liquid crystal display panel 10, an image is displayed on the liquid crystal display panel 10.
As shown in fig. 1, the liquid crystal display panel 10 includes a lower polarizer, an upper polarizer, an array substrate 12 located between the lower polarizer and the upper polarizer, a liquid crystal layer 14, and a color film substrate 16, and the liquid crystal layer 14 is disposed between the array substrate 12 and the color film substrate 16. The color film substrate 16 includes a glass plate 162, a black matrix film 164 and a color film 166, wherein the black matrix film 164 has a plurality of opening regions arranged in a matrix, so that the glass plate 162 can be exposed from each opening region, and the color film 166 is filled in each opening region and partially covers the black matrix film 164. The array substrate 12 includes a substrate 122 and a metal layer 124 disposed on an inner side of the substrate 122 (i.e., the metal layer 124 is disposed on a side close to the liquid crystal layer 14), the metal layer 124 is disposed directly below the black matrix film 164 of the color filter substrate 16, i.e., the position of the metal layer 124 is opposite to the position of the black matrix film 164 on the color filter substrate 16, a light reflecting portion 126 for changing a light propagation path and a PV insulating layer 125 for spacing the metal layer 124 and the light reflecting portion 126 are disposed on the substrate 122, the PV insulating layer 125 covers the light reflecting portion 126, the metal layer 124 is disposed on the PV insulating layer 125, and the light reflecting portion 126 is disposed below the. In this embodiment, the area of the light reflecting portion 126 is smaller than or equal to the area of the metal layer 124, and the shapes of the light reflecting portion 126 and the metal layer 124 are the same, so that the light reflecting portion 126 and the metal layer 124 can be formed by using the same mask.
Fig. 2 is a schematic view of the display device according to the first embodiment of the present invention when performing light-emitting display. As shown in fig. 2, in the embodiment, when light emitted from the backlight module 20 passes through the array substrate 12, a part of the light passes through the array substrate 12 and is emitted to the liquid crystal layer 14 and the color film layer 166 of the color film substrate 16; a part of the light is directed to the reflective portion 126, and at this time, the reflective portion 126 acts like a mirror, and reflects the light back to the backlight module 20, so as to prevent the light from being blocked when directed to the metal layer 124 and the black matrix film 164, thereby improving the utilization rate of the light.
Fig. 3 is a schematic view of the reflectance of light of different wavelengths by the light reflecting portion of the present invention. In the present embodiment, the light reflecting portion 126 is disposed on the surface of the substrate 122 and is made of a metal material, such as silver Ag, aluminum Al, gold Au, chromium Cr, copper Cu, iron Fe, niobium Nb, nickel Ni, or the like. The abscissa in FIG. 3 is the wavelength of light (unit: nm) and the ordinate is the reflectance of light (40% to 100%); the silver Ag has the highest reflectivity for different wavelengths of light; the reflectivity of the aluminum Al to different wavelengths of light is lower than that of the silver Ag, but the reflectivity reaches more than 90%; the reflectance of copper Cu between 390nm and 520nm is less than 60%, but light with a wavelength of more than 520nm has a higher reflectance. In the embodiment, the light reflecting portion 126 may be made of Al, Cu or Al-Cu alloy for reducing the cost, but not limited thereto.
Fig. 4 is a schematic structural diagram of a display device according to a second embodiment of the present invention. As shown in fig. 4, the display device 100 'of the present embodiment has substantially the same structure as the display device 100 of the first embodiment, but differs from the display device 100 of the first embodiment in the structure of the light reflecting portion 126' of the array substrate 12.
Specifically, the array substrate 12 includes a substrate 122 and a metal layer 124 disposed on an inner side of the substrate 122 (i.e., the metal layer 124 is disposed on a side close to the liquid crystal layer 14), the metal layer 124 is located right below the black matrix film 164 of the color filter substrate 16, a light reflecting portion 126 'for changing a light propagation path is disposed on the substrate 122, and the light reflecting portion 126' is located below the metal layer 124. The substrate 122 includes a first surface 101 and a second surface 102 disposed opposite to each other, the first surface 101 is provided with a first groove 103 ', the second surface 102 is provided with a second groove 104 ', the first groove 103 ' and the second groove 104 ' are symmetrically disposed, the first groove 103 ' is provided with a first reflective material 127 ', the second groove 104 ' is provided with a second reflective material 128 ', the first reflective material 127 ' and the second reflective material 128 ' form a reflective portion 126 ', and light can be totally reflected between the first reflective material 127 ' and the second reflective material 128 '. In the present embodiment, since the first groove 103 'and the second groove 104' are symmetrically disposed on the substrate 122, in order to ensure that the groove bottom of the first groove 103 'and the groove bottom of the second groove 104' are not communicated with each other, the depth of the first groove 103 'or the second groove 104' is less than the thickness of 1/2 of the substrate 122, so as to avoid the substrate 122 from being broken. It should be noted that the depth of one of the first groove 103 'or the second groove 104' may be greater than the thickness 1/2 of the substrate 122, and the other is less than the thickness 1/2 of the substrate 122; or the depth of each of the first and second grooves 103 'and 104' is less than the thickness 1/2 of the base plate 122.
In order to satisfy the condition of total reflection of light, the refractive indexes of the first light reflecting material 127 'and the second light reflecting material 128' are smaller than that of the substrate 122, the cross sections of the first groove 103 'and the second groove 104' are isosceles triangles, the included angle between the two groove walls of the first groove 103 'is smaller than or equal to 98 °, and the included angle between the two groove walls of the second groove 104' is smaller than or equal to 98 °. The first and second light reflecting materials 127 'and 128' have the same shape as the first and second grooves 103 'and 104', i.e., the cross-sections of the first and second light reflecting materials 127 'and 128' are also isosceles triangles. The apex angle of the first light reflecting material 127 'is less than or equal to 98 °, and the bottom surface of the first light reflecting material 127' is coplanar with the first surface 101 of the substrate 122; the apex angle of the second light reflecting material 128 ' is less than or equal to 98 deg., and the bottom surface of the second light reflecting material 128 ' is coplanar with the second surface 102 of the substrate 122, and the metal layer 124 is in contact with the bottom surface of the second light reflecting material 128 '. In the present embodiment, the first light reflecting material 127 'and the second light reflecting material 128' are made of a material with a relatively low refractive index, such as an acryl-based resin, but not limited thereto.
Fig. 5 is a schematic view of a display device according to a second embodiment of the present invention when performing light-emitting display. As shown in fig. 5, in the embodiment, when light emitted from the backlight module 20 passes through the array substrate 12, a part of the light passes through the array substrate 12 and is emitted to the liquid crystal layer 14 and the color film layer 166 of the color film substrate 16; part of the light is directed to the light reflecting portion 126 ', and the light is totally reflected between the substrate 122 and the light reflecting portion 126', so that the light avoids the metal layer 124 and the black matrix film layer 164 until the light is emitted from the color film layer 166 of the color film substrate 16, thereby improving the utilization rate of the light.
Fig. 6 is a schematic structural diagram of a display device according to a third embodiment of the present invention. As shown in fig. 6, the display device 100 ″ of the present embodiment has substantially the same structure as the display device 100 of the first embodiment, but is different in the structure of the light reflecting portion 126 ″ of the array substrate 12.
Specifically, the array substrate 12 includes a substrate 122 and a metal layer 124 disposed on an inner side of the substrate 122 (i.e., the metal layer 124 is disposed on a side close to the liquid crystal layer 14), the metal layer 124 is located right below a black matrix film 164 of the color filter substrate 16, a light reflecting portion 126 "for changing a light propagation path is disposed on the substrate 122, and the light reflecting portion 126" is located below the metal layer 124. The substrate 122 includes a first surface 101 and a second surface 102 disposed oppositely, the first surface 101 is provided with a first groove 103 ", the second surface 102 is provided with a second groove 104", the first groove 103 "and the second groove 104" are symmetrically disposed, a first reflective material 127 "is disposed in the first groove 103", a second reflective material 128 "is disposed in the second groove 104", the first reflective material 127 "and the second reflective material 128" form a reflective portion 126 ", and light can be totally reflected between the first reflective material 127" and the second reflective material 128 ". In the present embodiment, since the first groove 103 "and the second groove 104" are symmetrically disposed on the substrate 122, in order to ensure that the groove bottom of the first groove 103 "and the groove bottom of the second groove 104" are not communicated with each other, the depth of the first groove 103 "or the second groove 104" is less than the thickness of 1/2 of the substrate 122, so as to avoid the substrate 122 from being broken. It should be noted that the depth of one of the first groove 103 "or the second groove 104" may be greater than the thickness 1/2 of the substrate 122, and the other is less than the thickness 1/2 of the substrate 122; or the depth of both the first recess 103 "and the second recess 104" is less than the thickness 1/2 of the substrate 122.
In order to satisfy the condition that the light is totally reflected, the refractive indexes of the first light reflecting material 127 'and the second light reflecting material 128' are smaller than that of the substrate 122, the cross sections of the first groove 103 'and the second groove 104' are semicircular, the shapes of the first light reflecting material 127 'and the second light reflecting material 128' are the same as those of the first groove 103 'and the second groove 104', that is, the cross sections of the first light reflecting material 127 'and the second light reflecting material 128' are also semicircular. The bottom surface of the first light reflecting material 127 "is coplanar with the first surface 101 of the substrate 122; the bottom surface of the second light reflecting material 128 "is coplanar with the second surface 102 of the substrate 122 and the metal layer 124 is in contact with the bottom surface of the second light reflecting material 128". In the present embodiment, the first light reflecting material 127 "and the second light reflecting material 128" are made of a material with a relatively low refractive index, such as an acryl-based resin, but not limited thereto.
Fig. 7 is a schematic view of a display device according to a third embodiment of the present invention when performing light-emitting display. As shown in fig. 7, in the embodiment, when light emitted from the backlight module 20 passes through the array substrate 12, a part of the light passes through the array substrate 12 and is emitted to the liquid crystal layer 14 and the color film layer 166 of the color film substrate 16; part of the light is directed to the light reflecting portion 126 ", and the light is totally reflected between the substrate 122 and the light reflecting portion 126", so that the light avoids the metal layer 124 and the black matrix film layer 164 until the light is emitted from the color film layer 166 of the color film substrate 16, thereby improving the utilization rate of the light.
It should be noted that the shapes of the first grooves 103 ', 103 "and the second grooves 104', 104" can be freely opened as required, as long as the light energy can be totally reflected.
The liquid crystal display panel 10 of the invention includes an array substrate 12, a color filter substrate 16 and a liquid crystal layer 14 disposed between the array substrate 12 and the color filter substrate 16, wherein the array substrate 12 includes a substrate 122 and a metal layer 124 disposed on the inner side of the substrate 122, the metal layer 124 is disposed below a black matrix film 164 of the color filter substrate 16, a reflective portion 126, 126 ', 126 "for changing a light propagation path is disposed on the substrate 122, and the reflective portion 126, 126', 126" is disposed below the metal layer 124. When light emitted from the backlight module 20 passes through the liquid crystal display panel 10, the light-reflecting portions 126, 126', 126 ″ change the propagation path of the light, so that the light avoids the metal layer 124 and the black matrix film 164 until the light is emitted from the color film 166 of the color film substrate 16. Therefore, the liquid crystal display panel 10 of the present invention can fully utilize the light source to achieve the effect of energy saving. Also, light passing through the liquid crystal display panel 10 is increased, and transmittance is improved.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
Claims (6)
1. A liquid crystal display panel comprises an array substrate (12), a color film substrate (16) and a liquid crystal layer (14) arranged between the array substrate (12) and the color film substrate (16), and is characterized in that the array substrate (12) comprises a substrate (122) and a metal layer (124) arranged on one side of the substrate (122) close to the liquid crystal layer (14), the position of the metal layer (124) is just opposite to the position of a black matrix film layer (164) on the color film substrate (16), a light reflecting part for changing a light propagation path is further arranged on the substrate (122), and the light reflecting part is positioned below the metal layer (124); the substrate (122) comprises a first surface (101) and a second surface (102) which are arranged oppositely, a first groove is formed in the first surface (101), a second groove is formed in the second surface (102), the first groove and the second groove are symmetrically arranged, a first reflective material is arranged in the first groove, a second reflective material is arranged in the second groove, the first reflective material and the second reflective material form the reflective portion, and the refractive indexes of the first reflective material and the second reflective material are smaller than that of the substrate (122).
2. The LCD panel of claim 1, wherein the area of the light reflecting portion (126) is less than or equal to the area of the metal layer (124).
3. The liquid crystal display panel of claim 1, wherein the cross-section of the first groove and the second groove is isosceles triangle, the included angle between the two groove walls of the first groove is less than or equal to 98 °, and the included angle between the two groove walls of the second groove is less than or equal to 98 °.
4. The LCD panel of claim 1, wherein the depth of the first or second groove is less than the thickness of 1/2 of the substrate (122).
5. The liquid crystal display panel of claim 1, wherein the first groove and the second groove have a semicircular cross section.
6. A display device comprising the liquid crystal display panel according to any one of claims 1 to 5.
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| CN201710104560.5A CN106707603B (en) | 2017-02-24 | 2017-02-24 | Liquid crystal display panel and display device |
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| CN201710104560.5A CN106707603B (en) | 2017-02-24 | 2017-02-24 | Liquid crystal display panel and display device |
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| CN106707603B true CN106707603B (en) | 2020-05-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1752811A (en) * | 2004-09-22 | 2006-03-29 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device having high brightness |
| WO2008063171A2 (en) * | 2006-11-21 | 2008-05-29 | One Laptop Per Child Association, Inc. | Dual mode display |
| CN201293843Y (en) * | 2008-11-20 | 2009-08-19 | 扬昕精密股份有限公司 | Light guide plate and backlight module unit applying the same |
| CN101556397A (en) * | 2008-04-11 | 2009-10-14 | 北京京东方光电科技有限公司 | Color-film substrate, manufacture method thereof and liquid crystal display |
| KR20130065450A (en) * | 2011-12-09 | 2013-06-19 | 엘지이노텍 주식회사 | Backlight unit, display apparatus using the same, and lighting system including the same |
| CN103760716A (en) * | 2014-01-22 | 2014-04-30 | 北京京东方显示技术有限公司 | Array substrate and display device |
-
2017
- 2017-02-24 CN CN201710104560.5A patent/CN106707603B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1752811A (en) * | 2004-09-22 | 2006-03-29 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device having high brightness |
| WO2008063171A2 (en) * | 2006-11-21 | 2008-05-29 | One Laptop Per Child Association, Inc. | Dual mode display |
| CN101556397A (en) * | 2008-04-11 | 2009-10-14 | 北京京东方光电科技有限公司 | Color-film substrate, manufacture method thereof and liquid crystal display |
| CN201293843Y (en) * | 2008-11-20 | 2009-08-19 | 扬昕精密股份有限公司 | Light guide plate and backlight module unit applying the same |
| KR20130065450A (en) * | 2011-12-09 | 2013-06-19 | 엘지이노텍 주식회사 | Backlight unit, display apparatus using the same, and lighting system including the same |
| CN103760716A (en) * | 2014-01-22 | 2014-04-30 | 北京京东方显示技术有限公司 | Array substrate and display device |
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| CN106707603A (en) | 2017-05-24 |
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