CN107340562B - Light guide plate and liquid crystal display - Google Patents
Light guide plate and liquid crystal display Download PDFInfo
- Publication number
- CN107340562B CN107340562B CN201710725800.3A CN201710725800A CN107340562B CN 107340562 B CN107340562 B CN 107340562B CN 201710725800 A CN201710725800 A CN 201710725800A CN 107340562 B CN107340562 B CN 107340562B
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- Prior art keywords
- lead electrode
- liquid crystal
- crystal display
- light guide
- guide plate
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Classifications
-
- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
-
- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
-
- 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
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
Abstract
The present invention provides a kind of light guide plate and liquid crystal display.The light guide plate is laid with the first lead electrode (13) on light conducting plate body (11) upper surface, and opposite the second lead electrode (15) with first lead electrode (13), first lead electrode (13) and the second lead electrode (15) form capacitor (C), electric current is generated by applying AC signal to first lead electrode (13) and the second lead electrode (15), so that first lead electrode (13) and the second lead electrode (15) generate heat, so light guide plate is integrated with heating function, the light guide plate is applied to liquid crystal display, liquid crystal display panel can be heated on the basis of not influencing liquid crystal display panel display image quality, work normally liquid crystal display panel at low ambient temperatures, and cost is relatively low.
Description
Technical field
The present invention relates to technical field of liquid crystal display more particularly to a kind of light guide plates and liquid crystal display.
Background technique
Liquid crystal display (Liquid Crystal Display, LCD) has thin fuselage, power saving, radiationless etc. numerous excellent
Point, has been widely used, such as: LCD TV, smart phone, digital camera, tablet computer, computer screen or notes
This computer screen etc., occupies an leading position in flat display field.
Liquid crystal display on existing market is largely backlight liquid crystal display, including shell, is set in the housing
Liquid crystal display panel and the backlight module being set in the housing (Backlight Module).
The structure of liquid crystal display panel is by a colored filter substrate (Color Filter, CF), a thin film transistor (TFT) array
Substrate (Thin Film Transistor Array Substrate, TFT Array Substrate) and one it is configured at two
Liquid crystal layer (Liquid Crystal Layer) between substrate is constituted, its working principle is that by applying on two panels glass substrate
Add driving voltage to control the rotation of the liquid crystal molecule of liquid crystal layer, the light refraction of backlight module is come out and generates picture.
Backlight module is divided into side entrance back module and two kinds of down straight aphototropism mode set according to the difference of light source incidence position.
Down straight aphototropism mode set be by illuminating source such as cathode-luminescence fluorescent tube (Cold Cathode Fluorescent Lamp,
CCFL) or light emitting diode (Light Emitting Diode, LED) setting is at liquid crystal display panel rear, directly formation area source
It is supplied to liquid crystal display panel；And side entrance back module is that backlight LED lamp bar (Light Bar) is set to liquid crystal display panel side rear
Back plate edges at, LED light bar issue light from the incidence surface of the side light guide plate (Light Guide Plate, LGP) enter
Light guide plate projects from light guide plate light-emitting surface after reflection and diffusion, then via optical diaphragm group, is supplied to liquid to form area source
Crystal panel.
Under normal circumstances, the liquid crystal display used in office space can satisfy liquid since environment temperature is substantially stationary
The temperature requirement (- 20 DEG C~70 DEG C) that crystal display works normally.But it is used in some industry control industries and other particular places
Liquid crystal display, since that more a wide range of earthwave can occur is dynamic for environment temperature, it is possible to the normal work of liquid crystal display be not achieved
The temperature requirement of work, such as less than -20 DEG C lead to liquid crystal display cisco unity malfunction, this is because liquid crystal material only -
20 DEG C~70 DEG C of temperature range can just show liquid crystal state, if being lower than -20 DEG C, liquid crystal state will disappear, and cause liquid crystal
Show device cisco unity malfunction.
To solve the above problems, as shown in Figure 1, existing liquid crystal display can be in backlight module 100 and liquid crystal display panel 200
Between increase by one layer of heating film 300 and for doing temperature-compensating to liquid crystal display panel 200 at low temperatures enable liquid crystal display panel
It works normally；Wherein, the backlight module 100 include be cascading from bottom to top bottom reflector plate 101, light guide plate 102,
And optical diaphragm group 103.Although the heating film 300 have the function of compensate liquid crystal display panel 200 temperature, higher cost,
And it can have a certain impact to display image quality.
Summary of the invention
The purpose of the present invention is to provide a kind of light guide plate, which is integrated with the function heated to liquid crystal display panel
Can, liquid crystal display panel can be made to work normally on the basis of not influencing liquid crystal display panel display image quality at low ambient temperatures, cost compared with
It is low.
Another object of the present invention is to provide a kind of liquid crystal display, in light guide plate be integrated with to liquid crystal display panel into
The function of row heating, liquid crystal display panel can work normally at low ambient temperatures, and image quality is unaffected, entire liquid crystal display at
This is lower.
To achieve the above object, present invention firstly provides a kind of light guide plate, including light conducting plate body, it is laid on the leaded light
It the first lead electrode on plate body upper surface and is laid on the light conducting plate body upper surface and first lead electrode
The second opposite lead electrode；
First lead electrode and the second lead electrode form capacitor, by leading to first lead electrode with second
Line electrode applies AC signal and generates electric current, so that first lead electrode and the second lead electrode generate heat.
First lead electrode and the second lead electrode are in comb shape.
First lead electrode includes the first shank and vertically connects several first comb portions of first shank,
Second lead electrode includes the second shank and vertically connects several second comb portions of second shank；
First shank is oppositely arranged with the second shank, and several first comb portions and several second comb portions are mutual
It is staggered.
The material of first lead electrode and the second lead electrode is one of copper, chromium, molybdenum.
Multiple scattering particles are equipped in the light conducting plate body.
The present invention also provides a kind of liquid crystal displays, including backlight module and the liquid crystal surface being located on the backlight module
Plate；
The backlight module includes the light guide plate, diffusion sheet and prismatic lens stacked gradually from bottom to top；
The light guide plate include light conducting plate body, the first lead electrode being laid on the light conducting plate body upper surface,
And it is laid on the second lead electrode opposite with first lead electrode on the light conducting plate body upper surface；
First lead electrode and the second lead electrode form capacitor, by leading to first lead electrode with second
Line electrode applies AC signal and generates electric current, so that first lead electrode and the second lead electrode generate heat, to the liquid
Crystal panel is heated.
First lead electrode and the second lead electrode are in comb shape.
The backlight module further includes the reflector plate being located at below the light guide plate；It is equipped in the light conducting plate body multiple
Scattering particles.
First lead electrode includes the first shank and vertically connects several first comb portions of first shank,
Second lead electrode includes the second shank and vertically connects several second comb portions of second shank；
First shank is oppositely arranged with the second shank, and several first comb portions and several second comb portions are mutual
It is staggered.
The material of first lead electrode and the second lead electrode is one of copper, chromium, molybdenum.
Beneficial effects of the present invention: light guide plate provided by the invention is laid with the first conducting wire on light conducting plate body upper surface
Electrode and second lead electrode opposite with first lead electrode, first lead electrode and the second lead electrode shape
At capacitor, electric current is generated by applying AC signal to first lead electrode and the second lead electrode, so that described first
Lead electrode and the second lead electrode generate heat, so light guide plate of the invention is integrated with heating function, which is applied to
Liquid crystal display can heat liquid crystal display panel on the basis of not influencing liquid crystal display panel display image quality, make liquid crystal display panel low
It is worked normally under warm environment, and cost is relatively low.Liquid crystal display provided by the invention is integrated with leading for heating function using above-mentioned
Tabula rasa heats liquid crystal display panel by the light guide plate, liquid crystal display panel can be made to work normally at low ambient temperatures, image quality
It is unaffected, and cost is relatively low for entire liquid crystal display.
Detailed description of the invention
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with of the invention detailed
Illustrate and attached drawing, however, the drawings only provide reference and explanation, is not intended to limit the present invention.
In attached drawing,
Fig. 1 is the schematic diagram of the section structure of existing liquid crystal display；
Fig. 2 is the schematic plan view of light guide plate of the invention；
Fig. 3 is the equivalent circuit diagram of light guide plate of the invention；
Fig. 4 is the schematic diagram of the section structure of liquid crystal display of the invention.
Specific embodiment
Further to illustrate technological means and its effect adopted by the present invention, below in conjunction with preferred implementation of the invention
Example and its attached drawing are described in detail.
Referring to Fig. 2, present invention firstly provides a kind of light guide plate, including light conducting plate body 11, it is laid on the light guide plate
On 11 upper surface of ontology in comb shape the first lead electrode 13 and be laid on 11 upper surface of light conducting plate body with it is described
Opposite the second lead electrode 15 in comb shape of first lead electrode 13.
Specifically, the light conducting plate body 11 is equal to light guide plate in the prior art, is equipped in the light conducting plate body 11
Multiple scattering particles 111, for the backlight (such as LED light bar) of line style to be scattering into area source.Further, the light guide plate
Ontology 11 is close to the side of backlight since light energy is larger, and the negligible amounts of the scattering particles 111 of setting, partial size is smaller；And
Since light energy is smaller, the quantity of the scattering particles 111 of setting is more for side of the light conducting plate body 11 far from backlight, partial size compared with
Greatly.
Specifically, first lead electrode 13 is preferable with copper (Cu), chromium (Cr), molybdenum (Mo) or other electric conductivities
Metal is material, including the first shank 131 and vertically connects several first comb portions 132 of first shank 131；It is described
Second lead electrode 15 also using Cu, Cr, Mo or the preferable metal of other electric conductivities as material, including the second shank 151 and
Vertically connect several second comb portions 152 of second shank 151；First shank 131 is set relatively with the second shank 151
It sets, several first comb portions 132 and the interlaced setting of several second comb portions 152, i.e., two neighboring first comb portion
One the second comb portion 152 is set between 132, first comb portion 132 is set between two neighboring second comb portion 152.
Further, the manufacturing process of first lead electrode 13 and the second lead electrode 15 are as follows: first pass through film forming work
Skill, such as chemical vapor deposition (Chemical Vapor Deposition, CVD) technique or physical vapour deposition (PVD) (Physical
Vapor Deposition, PVD) technique 11 upper surface of light conducting plate body formed one layer of preferable metallic film of electric conductivity,
Such as Cu, Cr, Mo, then by patterning process, such as etching technics carries out patterned process to metallic film, and being made is in comb shape
The first lead electrode 13 and the second lead electrode 15 for being in comb shape.
In conjunction with Fig. 2 and Fig. 3, first lead electrode 13 and the second lead electrode 15 form capacitor C, and the two has itself
Resistance R can generate electric current by applying AC signal to first lead electrode 13 and the second lead electrode 15, so that institute
It states the first lead electrode 13 and the second lead electrode 15 generates heat, so light guide plate of the invention is integrated with heating function.This is sent out
When bright light guide plate is applied to liquid crystal display, liquid crystal display panel can be heated, make liquid crystal display panel normal work at low ambient temperatures
Make, eliminates the setting of heating film in available liquid crystal display, cost is relatively low.Further, it is led by adjusting to described first
The frequency and voltage amplitude for the AC signal that line electrode 13 and the second lead electrode 15 are applied, just can control and flow through resistance R
Electric current, to control light guide plate of the invention to the heating efficiency of liquid crystal display panel.In addition, light guide plate of the invention is applied to
When liquid crystal display, diffusion sheet and prismatic lens, the modulation due to diffusion sheet and prismatic lens to light can be set on the light guide plate
The Morie fringe that the first lead electrode 13 and 15 adstante febre of the second lead electrode are formed can also be eliminated, will not influence liquid crystal display panel
Display image quality.
Referring to Fig. 4, based on the same inventive concept, the present invention also provides a kind of liquid crystal display, packets in conjunction with Fig. 2 and Fig. 3
The liquid crystal display panel P for including backlight module BM and being located on the backlight module BM.
Wherein, the backlight module BM includes the light guide plate 1, diffusion sheet 2 and prismatic lens 3 stacked gradually from bottom to top, is
The utilization rate of light is improved, it can be reflector plate 5 to be arranged below the light guide plate 1.
As shown in Fig. 2, the light guide plate 1 includes light conducting plate body 11, is laid on 11 upper surface of light conducting plate body
The first lead electrode 13 and be laid on opposite with first lead electrode 13 on 11 upper surface of light conducting plate body
Two lead electrodes 15.First lead electrode 13 and the second lead electrode 15 are in comb shape.
Specifically, the light conducting plate body 11 is equal to light guide plate in the prior art, is equipped in the light conducting plate body 11
Multiple scattering particles 111, for the backlight (such as LED light bar) of line style to be scattering into area source.Further, the light guide plate
Ontology 11 is close to the side of backlight since light energy is larger, and the negligible amounts of the scattering particles 111 of setting, partial size is smaller；And
Since light energy is smaller, the quantity of the scattering particles 111 of setting is more for side of the light conducting plate body 11 far from backlight, partial size compared with
Greatly.
Specifically, first lead electrode 13 is using Cu, Cr, Mo or the preferable metal of other electric conductivities as material, packet
It includes the first shank 131 and vertically connects several first comb portions 132 of first shank 131；Second lead electrode 15
Also using Cu, Cr, Mo or the preferable metal of other electric conductivities as material, including the second shank 151 and described is vertically connected
Several second comb portions 152 of two shanks 151；First shank 131 is oppositely arranged with the second shank 151, and described several
One comb portion 132 and the interlaced setting of several second comb portions 152 are arranged one between that is, two neighboring first comb portion 132
First comb portion 132 is arranged between two neighboring second comb portion 152 for a second comb portion 152.
Further, the manufacturing process of first lead electrode 13 and the second lead electrode 15 are as follows: first pass through film forming work
Skill, if CVD technique or PVD process form one layer of preferable metallic film of electric conductivity in 11 upper surface of light conducting plate body, such as
Cu, Cr, Mo etc., then by patterning process, such as etching technics carries out patterned process to metallic film, is made in comb shape
First lead electrode 13 and the second lead electrode 15 for being in comb shape.
In conjunction with Fig. 2 and Fig. 3, first lead electrode 13 and the second lead electrode 15 form capacitor C, and the two has itself
Resistance R can generate electric current by applying AC signal to first lead electrode 13 and the second lead electrode 15, so that institute
It states the first lead electrode 13 and the second lead electrode 15 generates heat, so the light guide plate 1 is integrated with heating function, it can be to liquid crystal
Panel P heating, works normally liquid crystal display panel P at low ambient temperatures, eliminates the setting of heating film in available liquid crystal display,
Cost is relatively low.Further, letter is exchanged with what the second lead electrode 15 was applied by adjusting to first lead electrode 13
Number frequency and voltage amplitude, the electric current for flowing through resistance R just can be controlled, to control heating of the light guide plate 1 to liquid crystal display panel P
Efficiency.In addition, since diffusion sheet 2 and prismatic lens 3 can also eliminate the first lead electrode 13 and the second conducting wire to the modulation of light
The Morie fringe that 15 adstante febre of electrode is formed, will not influence the display image quality of liquid crystal display panel P.
In conclusion light guide plate of the invention, be laid on light conducting plate body upper surface the first lead electrode and with it is described
The second opposite lead electrode of first lead electrode, first lead electrode and the second lead electrode form capacitor, by right
First lead electrode and the second lead electrode apply AC signal and generate electric current, so that first lead electrode and second
The light guide plate is applied to liquid crystal display so light guide plate of the invention is integrated with heating function by lead electrode fever, can
Liquid crystal display panel is heated on the basis of not influencing liquid crystal display panel display image quality, makes liquid crystal display panel normal work at low ambient temperatures
Make, and cost is relatively low.Liquid crystal display of the invention is integrated with the light guide plate of heating function using above-mentioned, passes through the leaded light
Plate heats liquid crystal display panel, liquid crystal display panel can be made to work normally at low ambient temperatures, and image quality is unaffected, and entire liquid
Cost is relatively low for crystal display.
The above for those of ordinary skill in the art can according to the technique and scheme of the present invention and technology
Other various corresponding changes and modifications are made in design, and all these change and modification all should belong to claim of the invention
Protection scope.
Claims (10)
1. a kind of light guide plate, which is characterized in that including light conducting plate body (11), be laid on the light conducting plate body (11) upper surface
On the first lead electrode (13) and be laid on the light conducting plate body (11) upper surface and first lead electrode (13)
Opposite the second lead electrode (15)；
First lead electrode (13) and the second lead electrode (15) form capacitor (C), by first lead electrode
(13) apply AC signal with the second lead electrode (15) and generate electric current, so that first lead electrode (13) and the second conducting wire
Electrode (15) fever；
The manufacturing process of first lead electrode (13) and the second lead electrode (15) are as follows: first pass through film-forming process in light guide plate
Ontology (11) upper surface forms one layer of preferable metallic film of electric conductivity, then by patterning process, carries out to metallic film
Patterned process.
2. light guide plate as described in claim 1, which is characterized in that first lead electrode (13) and the second lead electrode
It (15) is in comb shape.
3. light guide plate as claimed in claim 2, which is characterized in that first lead electrode (13) includes the first shank
(131) and vertically several first comb portions (132) of first shank (131), the second lead electrode (15) packet are connected
It includes the second shank (151) and vertically connects several second comb portions (152) of second shank (151)；
First shank (131) is oppositely arranged with the second shank (151), several first comb portions (132) and several the
Two comb portions (152) interlaced setting.
4. light guide plate as described in claim 1, which is characterized in that first lead electrode (13) and the second lead electrode
(15) material is one of copper, chromium, molybdenum.
5. light guide plate as described in claim 1, which is characterized in that be equipped with multiple scattering particles in the light conducting plate body (11)
(111)。
6. a kind of liquid crystal display, which is characterized in that including backlight module (BM) and the liquid being located on the backlight module (BM)
Crystal panel (P)；
The backlight module (BM) includes the light guide plate (1), diffusion sheet (2) and prismatic lens (3) stacked gradually from bottom to top；
The light guide plate (1) includes that light conducting plate body (11), first be laid on the light conducting plate body (11) upper surface are led
Line electrode (13) and second opposite with first lead electrode (13) is laid on the light conducting plate body (11) upper surface
Lead electrode (15)；
First lead electrode (13) and the second lead electrode (15) form capacitor (C), by first lead electrode
(13) apply AC signal with the second lead electrode (15) and generate electric current, so that first lead electrode (13) and the second conducting wire
Electrode (15) fever, to be heated to the liquid crystal display panel (P)；
The manufacturing process of first lead electrode (13) and the second lead electrode (15) are as follows: first pass through film-forming process in light guide plate
Ontology (11) upper surface forms one layer of preferable metallic film of electric conductivity, then by patterning process, carries out to metallic film
Patterned process.
7. liquid crystal display as claimed in claim 6, which is characterized in that first lead electrode (13) and the second conducting wire electricity
Pole (15) is in comb shape.
8. liquid crystal display as claimed in claim 6, which is characterized in that the backlight module (BM) further includes being located at described lead
Reflector plate (5) below tabula rasa (1)；Multiple scattering particles (111) are equipped in the light conducting plate body (11).
9. liquid crystal display as claimed in claim 7, which is characterized in that first lead electrode (13) includes the first shank
(131) and vertically several first comb portions (132) of first shank (131), the second lead electrode (15) packet are connected
It includes the second shank (151) and vertically connects several second comb portions (152) of second shank (151)；
First shank (131) is oppositely arranged with the second shank (151), several first comb portions (132) and several the
Two comb portions (152) interlaced setting.
10. liquid crystal display as claimed in claim 6, which is characterized in that first lead electrode (13) and the second conducting wire
The material of electrode (15) is one of copper, chromium, molybdenum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725800.3A CN107340562B (en) | 2017-08-22 | 2017-08-22 | Light guide plate and liquid crystal display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725800.3A CN107340562B (en) | 2017-08-22 | 2017-08-22 | Light guide plate and liquid crystal display |
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| Publication Number | Publication Date |
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| CN107340562A CN107340562A (en) | 2017-11-10 |
| CN107340562B true CN107340562B (en) | 2019-07-02 |
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| CN201710725800.3A Active CN107340562B (en) | 2017-08-22 | 2017-08-22 | Light guide plate and liquid crystal display |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108646450A (en) * | 2018-04-23 | 2018-10-12 | 深圳市华星光电半导体显示技术有限公司 | A kind of heating system and heating means of display panel |
| CN111752026A (en) * | 2020-06-30 | 2020-10-09 | 广州同华实业有限公司 | Liquid crystal display temperature compensation device and liquid crystal display |
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| CN102749742A (en) * | 2011-04-19 | 2012-10-24 | 青岛海信电器股份有限公司 | Device for regulating temperature gradient of liquid crystal module and method as well as liquid crystal module |
| CN104006357A (en) * | 2014-06-10 | 2014-08-27 | 深圳市华星光电技术有限公司 | Backlight module, liquid crystal display device and OLED display device |
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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee after: TCL Huaxing Photoelectric Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |