CN103471011A - Backlight source and display device - Google Patents

Backlight source and display device Download PDF

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Publication number
CN103471011A
CN103471011A CN2013104255522A CN201310425552A CN103471011A CN 103471011 A CN103471011 A CN 103471011A CN 2013104255522 A CN2013104255522 A CN 2013104255522A CN 201310425552 A CN201310425552 A CN 201310425552A CN 103471011 A CN103471011 A CN 103471011A
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CN
China
Prior art keywords
electrode
backlight
fluorescence coating
seal box
control assembly
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CN2013104255522A
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Chinese (zh)
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CN103471011B (en
Inventor
任锦宇
宋勇志
王丹
胡滕滕
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BOE Technology Group Co Ltd
Beijing BOE Display Technology Co Ltd
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BOE Technology Group Co Ltd
Beijing BOE Display Technology Co Ltd
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Publication date
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Priority to CN201310425552.2A priority Critical patent/CN103471011B/en
Publication of CN103471011A publication Critical patent/CN103471011A/en
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Publication of CN103471011B publication Critical patent/CN103471011B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses a backlight source and a display device, and aims at solving the problems of complicated structure and low light utilization rate of the existing backlight source. The backlight source provided by the invention comprises a sealing box, a fluorescence layer and a control component, wherein a light outlet side substrate of the sealing box is a transparent substrate, the fluorescence layer is arranged in the sealing box and at one side of the transparent substrate, and the control component is arranged in the sealing box and controls the fluorescence layer to illuminate. The backlight source provided by the invention has the advantages that the assembly of complicated optical elements is not needed, the structure is simple, in addition, light generated by the fluorescence layer directly acts on a display panel, the light loss is avoided, and the light utilization rate is improved.

Description

Backlight and display unit
Technical field
The present invention relates to field of display, relate in particular to a kind of backlight and display unit.
Background technology
Along with the sharply development of network and radio communication technology, informationize and gradually popularize in the individual, so portable information product, as notebook computer, mobile phone, digital camera and personal digital assistant etc., all fast-developing and growth.Due to liquid crystal display (Liquid Crystal Display, LCD), there is the advantages such as slimming, lightweight, low power consumption, radiationless pollution, the LCD product has been widely used in display device now.Along with the continuous progress of liquid crystal industry technology, the LCD project organization is simple, and slimming more and more becomes the mainstream demand in market.
LCD generally comprises display floater and backlight, and existing backlight is generally area source, and the light that area source produces arrives display floater, carries out picture disply.Existing area source is generally by spot light or line source, LGP and diffuser plate form, the white light that spot light or line source send, need through LGP, the optical element of the complexity such as diffuser plate is processed rear formation area source, could arrive display floater, LGP in therefore existing backlight, the optical element of the complexity such as diffuser plate is indispensable, and then make the complex structure of backlight, and the light that spot light or line source send is because needs could arrive display floater after optical element forms area source, inevitably can cause the loss of light in the process of light being processed at optical element, make the utilization rate of light low.
Summary of the invention
The purpose of this invention is to provide a kind of backlight and display unit, to solve existing back light source structure complexity, the problem that light utilization efficiency is low.
The objective of the invention is to be achieved through the following technical solutions:
One aspect of the present invention provides a kind of backlight, and this backlight comprises:
Seal box, the bright dipping side substrate of described seal box is transparent substrates;
Fluorescence coating, be arranged in described seal box, described transparent substrates one side;
Control assembly, be arranged in described seal box;
It is luminous that described control assembly is controlled described fluorescence coating.
In the present invention, it is luminous that control assembly is controlled the fluorescence coating that is arranged at transparent substrates one side in seal box, forms area source, without complicated optical elements such as assembling LGP, diffuser plates, simple in structure, more frivolous, and the light produced in fluorescence coating, can directly see through transparent substrates and inject display floater, save conventional light source and formed area source through optical element, arrive again the process of display floater, avoided the loss of light, improved the utilization rate of light.
Preferably, in described seal box, described transparent substrates one side, be formed with shading matrix; Described shading matrix comprises that several are the grid that described transparent substrates was arranged and exposed to matrix; Described fluorescence coating is divided in each described grid, make to only have in the grid that needs light source fluorescence coating is just arranged, lightproof area and the neighboring area that does not need light source do not arranged to fluorescence coating, with the traditional backlight source, to All Ranges, all provide light source to compare, save unnecessary light source output, improved the light source utilization rate.
Preferably, be filled with inert gas in described seal box; Described control assembly comprises the electrode group be comprised of opposite polarity the first electrode and the second electrode, described the first electrode and the second electrode are inputted high-frequency pulse current by external power source, produce electromagnetic field of high frequency, making described inert gas occur to ionize and produce can the luminous excimer radiation of fluorescence excitation layer, without designing complicated circuit, further simplify the backlight internal structure.
Further, described control assembly comprises at least two described electrode groups, and each described electrode group is arranged on fluorescence coating substrate one side is not set, and arranges along its length, makes to control more uniformly inert gas and produce and to ionize and to send excimer radiation.
Preferably, in the embodiment of the present invention, control assembly comprises at least two described electrode groups, the first electrode in each electrode group and the second electrode are divided on shading matrix or fluorescence coating substrate one side are not set, and can make near the inert gas of fluorescence coating produce and ionize and send excimer radiation.
Preferably, on described the first electrode and the second electrode, be formed with electrode protecting layer, the material of described electrode protecting layer is material anticorrosive and insulation, to avoid the first electrode and the second electrode to be subject to inert gas, the first electrode and the second electrode is caused to harmful effect.
Preferably, described control assembly comprises opposite polarity the first electrode and the second electrode, and described the first electrode and the second electrode are inputted high-frequency pulse current by external power source, produces electromagnetic field of high frequency;
Described the first electrode is arranged between described transparent substrates and described fluorescence coating;
Described the second electrode is arranged on substrate one side that fluorescence coating is not set;
Described the first electrode and the second electrode are inputted high-frequency pulse current by external power source, and described the second electrode produces the emission high energy electron, makes described fluorescence coating luminous.
It is luminous that above-mentioned control assembly adopts the field excitation mode to control fluorescence coating, the control assembly simplicity of design.
Preferably, described fluorescence coating comprises fluorescent material, and described fluorescent material is rare-earth trichromatic fluorescent powder, and the white light light intensity that makes each pixel region of display floater receive is consistent, can increase uniformity of light, reduces the unequal phenomenon of light intensity.
Preferably, be provided with reflection layer in seal box, the light in seal box can be reflected away, to improve light utilization efficiency.
The present invention also provides a kind of display unit on the other hand, this display unit comprises the above-mentioned backlight related to, make backlight in display unit without complicated optical elements such as assembling LGP, diffuser plates, simple in structure, more frivolous, and the light that fluorescence coating produces, can directly see through transparent substrates and act on display floater, save conventional light source and formed area source through optical element, then arrived the display floater process, avoid the loss of light, improved the utilization rate of light.
Preferably, be provided with the shading matrix that comprises some grids in described backlight, described fluorescence coating is divided in each described grid, pixel region in the same size in the size of described grid and display floater, and described network site is corresponding with the position of described pixel region, can reduce the neighboring area light leak, and can save unnecessary light source output, improve the utilization rate of light source.
The accompanying drawing explanation
The back light source structure schematic diagram that Fig. 1 provides for the embodiment of the present invention;
The another structural representation of backlight that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 A is the shading matrix floor map that the embodiment of the present invention has grid;
Fig. 3 B is that embodiment of the present invention fluorescence coating divides the floor map be located in grid;
The backlight that Fig. 4 A-Fig. 4 B provides for the embodiment of the present invention is a structural representation again;
The display device structure schematic diagram that Fig. 5 provides for the embodiment of the present invention;
The colored schematic diagram that shows of display unit that Fig. 6 provides for the embodiment of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, is not whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
Embodiment mono-
The embodiment of the present invention one provides a kind of backlight, and as shown in Figure 1, this backlight comprises seal box 1, is arranged at fluorescence coating 2 and control assembly 3 in seal box.
Concrete, in the embodiment of the present invention, seal box 1 comprises two substrates, be respectively the first substrate 10 and the second substrate 11, and having a substrate in two substrates at least is that transparent substrates is as the bright dipping side, in Fig. 1, take the first substrate 10 as bright dipping side substrate be example so that the light produced in box injects on display floater.
In the embodiment of the present invention preferably two substrates be transparent substrates, so that two substrates can adopt identical making material to make, simplify manufacture craft, can select the transparent materials such as glass, plastics or quartz such as two substrates that form seal box 1 in the embodiment of the present invention, preparation technology is simpler, and technical threshold is lower.
In the embodiment of the present invention, fluorescence coating 2 includes fluorescent material, and fluorescent material can produce transition under certain condition, and sends white light.For example adopt the field excitation mode, utilize the electroluminescent principle, utilize negative electrode to launch high energy electron impact fluorescence powder under electric field action, fluorescent material can produce transition and send white light after receiving the high energy electron bombardment; Also can adopt luminescence generated by light, utilize high frequency electric ionization inert gas to form plasma, plasma can send ultra-violet radiation, produces ultraviolet light, and fluorescent material can produce transition after absorbing ultraviolet light, then sends white light.
The preferred rare-earth trichromatic fluorescent powder of fluorescent material in the embodiment of the present invention, the white light light intensity that makes each pixel region of display floater receive is consistent, can increase uniformity of light, reduce the unequal phenomenon of light intensity, can be also the fluorescent material of other kind in the embodiment of the present invention certainly.
In the embodiment of the present invention, fluorescence coating 2 is arranged on interior transparent substrates one side of seal box 1, so that the white light that fluorescence coating 2 sends can directly penetrate to display floater from this transparent substrates.
It is luminous that in the embodiment of the present invention, control assembly 3 is arranged at the interior control fluorescence coating of seal box 1.
The backlight that the embodiment of the present invention provides, it is luminous that control assembly is controlled the fluorescence coating that is arranged at transparent substrates one side in seal box, forms area source, without complicated optical elements such as assembling LGP, diffuser plates, simple in structure, more frivolous, and the light of fluorescence coating generation, can directly see through transparent substrates and be incident to display floater, save conventional light source and formed area source through optical element, arrive again the process of display floater, avoided the loss of light, improved the utilization rate of light.
Embodiment bis-
The embodiment of the present invention two, as a preferred embodiment, is described in detail the backlight related in embodiment mono-in connection with practical application.
The backlight that the embodiment of the present invention two provides, as shown in Figure 2, comprise seal box 1, is arranged at the fluorescence coating 2 of bright dipping side transparent substrates one side in seal box, is arranged at the control assembly 3 in seal box, and the shading matrix 4 that is arranged at transparent substrates one side.
Concrete, have in shading matrix 4 in the embodiment of the present invention and be several grids that transparent substrates was arranged and exposed to matrix, fluorescence coating 2 is arranged in grid, be to comprise that several are the floor map of the shading matrix 4 of the grid 50 that matrix arranges as shown in Figure 3A, grid 50 exposes transparent substrates, and fluorescence coating 2 is divided in each grid, when it sends white light, the transparent substrates that can see through grid 50 exposures penetrates light, is divided into the floor map in each grid for fluorescence coating 2 as shown in Figure 3 B.
It should be noted that, in Fig. 2, shading matrix 4 is arranged on transparent substrates one side of seal box 1 inside, do not regard this as a limit, also shading matrix 4 can be arranged on outside seal box 1, certain use amount in order to simplify manufacture craft and to save fluorescent material, shading matrix 4 can be arranged in seal box 1, can first form and divide the shading matrix that some grids are arranged, then fluorescent material is set in grid and form fluorescence coating.
In the embodiment of the present invention, in seal box, transparent substrates one side arranges shading matrix, there is the grid that exposes transparent substrates in shading matrix, fluorescence coating 2 is arranged in the grid of shading matrix, making to only have in the grid that needs light source just has fluorescence coating, and lightproof area and the neighboring area that does not need light source do not arranged to fluorescence coating, with the traditional backlight source, to All Ranges, all provides light source to compare, save unnecessary light source output, improved the light source utilization rate.
Embodiment tri-
The embodiment of the present invention three, as another preferred embodiment, is described in further detail the backlight related in embodiment mono-and embodiment bis-.
The embodiment of the present invention three only just is elaborated with the structure difference of embodiment mono-or the related backlight of embodiment bis-, and other is identical with embodiment bis-with embodiment mono-, does not repeat them here.
The embodiment of the present invention is filled with inert gas 5 in seal box 1, in the embodiment of the present invention, under the effect of control assembly 3, can produce can the luminous excimer radiation of fluorescence excitation layer for inert gas 5, produce the electromagnetic wave of certain wavelength, make the fluorescent material comprised in fluorescence coating 2 can be excited, produce transition and send white light.
Be filled with the inert gas 5 in seal box 1 in the embodiment of the present invention, can be any one of helium, neon, argon gas, Krypton, xenon or radon gas, the embodiment of the present invention is not done restriction, as long as this inert gas is under the effect of control assembly 3, can produces and make to produce the luminous excimer radiation of fluorescence excitation layer and get final product.
Concrete, in the embodiment of the present invention, control assembly 3 can be can make inert gas 5 be stimulated any components and parts of setting the wavelength excimer radiation occur to ionize and produce, preferably control assembly 3 is set to comprise the electrode group be comprised of opposite polarity the first electrode 30 and the second electrode 31 in the embodiment of the present invention, the first electrode 30 and the second electrode 31 are inputted high-frequency pulse current by external power source, produce electromagnetic field of high frequency, making the interior inert gas of seal box occur to ionize and produce can the luminous excimer radiation of fluorescence excitation layer.
In the embodiment of the present invention, the polarity of the first electrode 30 and the second electrode 31 is contrary, one is negative electrode, another is anode, the first electrode 30 and the second electrode 31 by the lead-in wire with external power source connect and compose an electrode group, in the embodiment of the present invention using several electrode groups as control assembly 3.
Further preferred, the electrode group quantity that in the embodiment of the present invention, control assembly 3 comprises can be the quantity of setting, the excimer radiation that the number needs of this setting will meet rear excited inert gas 5 generations of its electric discharge can make fluorescence coating luminous, in the embodiment of the present invention, preferred control assembly 3 comprises at least two above-mentioned electrode groups that relate to, each electrode group also can adopt multiple arrangement mode, for example:
First kind of way: each electrode group is arranged on fluorescence coating substrate one side is not set, and arrange along its length, the first electrode 30 of each electrode group and the second electrode 31, arrange, as shown in Figure 4 A in the horizontal direction.
The second way: the first electrode in each electrode group that control assembly is comprised and the second electrode are divided on shading matrix or fluorescence coating substrate one side are not set, as shown in Figure 4 B.
It should be noted that, in Fig. 4 B, the first electrode 30 all is arranged on shading matrix, the second electrode 31 all is arranged on fluorescence coating substrate one side is not set, and is just schematically illustrated, in practical application, the first electrode 30 and/or the second electrode 31 can be set arbitrarily in the same side.
Adopt the luminous principle of arrangement mode control fluorescence coating of above-mentioned two kinds of electrode groups to be: external power source is to the first electrode 30 and the second electrode 31 input high-frequency pulse currents, high-frequency pulse current produces electromagnetic field of high frequency between the first electrode 30 and the second electrode 31, the inert gas 5 of seal box 1 inside can ionize under the high-frequency impulse electromagnetic field effect, and send the excimer radiation of certain wavelength, for example xenon can produce the excimer radiation of 172nm, send ultraviolet, after fluorescent material in fluorescence coating 2 absorbs the excimer radiation of inert gas 5 generations, can produce transition, thereby send white visible ray.
Further; for preventing that 5 pairs of the first electrodes 30 of inert gas and the second electrode 31 in seal box 1 from producing harmful effect; on the first electrode 30 and the second electrode 31, electrode protecting layer 6 is set in the embodiment of the present invention; the material of electrode protecting layer 6 is material anticorrosive and insulation; other materials can not occur to decompose or produce in this material anticorrosive and insulation under excimer radiation irradiates; the first electrode 30 and the second electrode 31 are protected; for example but embodiment of the present invention preferred nitrogen SiClx, as the making material of electrode protecting layer, is not certainly regarded it as and is limited.
In the embodiment of the present invention, using several electrode groups as the control assembly of controlling inert gas generation excimer radiation, without designing complicated circuit, further simplify the backlight internal structure.
Preferably, also can be not to being filled with inert gas 5 in seal box in the embodiment of the present invention, directly utilize control assembly 3 to control fluorescence coating 2 luminous, control assembly 3 comprises opposite polarity the first electrode and the second electrode, one of them is as negative electrode, another is as anode, and the first electrode and the second electrode are inputted high-frequency pulse current by external power source, produces electromagnetic field of high frequency; The first electrode is arranged between transparent substrates and fluorescence coating; The second electrode is arranged on substrate one side that fluorescence coating is not set; The first electrode and the second electrode are inputted high-frequency pulse current by external power source, and the second electrode produces the emission high energy electron, adopt the field excitation mode to make fluorescence coating luminous, without designing complicated circuit, further simplify the backlight internal structure.
Further preferred, also can reflection layer be set in seal box in the embodiment of the present invention, the light that makes fluorescence coating be transmitted in seal box is reflected back toward bright dipping side substrate one side, improves light utilization efficiency.
It should be noted that; the above-mentioned back light source structure that the embodiment of the present invention relates to is just schematically illustrated; any backlight obtained based on same thought is all in protection domain of the present invention; for example, while adopting two substrates to be transparent substrates; and shading matrix and fluorescence coating all be set on two transparent substrates; and the electrode group of control assembly is arranged in shading matrix, realizes the backlight of double-side, also in protection domain of the present invention.
Embodiment tetra-
The embodiment of the present invention four provides a kind of display unit, and as shown in Figure 5, this display unit comprises display floater 7, and the backlight that relates to of embodiment mono-, embodiment bis-and embodiment tri-.
Concrete, have on display floater and be the pixel region that matrix is arranged, include shading matrix in the embodiment of the present invention in backlight, include in shading matrix and be the grid that matrix is arranged, each pixel region in the same size in the size of this grid and display floater, and grid position is corresponding with the pixel region position, fluorescence coating 2 is divided in the grid of shading matrix, corresponding one by one with the pixel region in display floater, while carrying out the colour picture demonstration, fluorescence coating 2 in grid sends white light, and to directly act on respectively be red pixel region 701, green pixel zone 702 and blue pixel region 703, filter layer 8 through display floater is converted to ruddiness, green glow and blue light, as shown in Figure 6.
The display unit that the embodiment of the present invention provides, fluorescence coating is arranged in the grid of shading matrix, corresponding one by one with pixel region, the light action sent in backlight is in pixel region, and the white light that the fluorescence coating in backlight produces directly acts on display floater, avoid the loss of light, improved the utilization rate of light.
Further, the fluorescence coating arranged in backlight in the embodiment of the present invention is corresponding one by one with the pixel of the viewing area of display floater, at the non-display area that does not need light source and lightproof area, fluorescence coating is not set, not only can reduce the neighboring area light leak, and can save unnecessary light source output, improve the utilization rate of light source.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.

Claims (11)

1. a backlight, is characterized in that, comprising:
Seal box, the bright dipping side substrate of described seal box is transparent substrates;
Fluorescence coating, be arranged in described seal box, described transparent substrates one side;
Control assembly, be arranged in described seal box;
It is luminous that described control assembly is controlled described fluorescence coating.
2. backlight as claimed in claim 1, is characterized in that,
Described transparent substrates one side, be formed with shading matrix;
Described shading matrix comprises that several are the grid that described transparent substrates was arranged and exposed to matrix;
Described fluorescence coating is divided in each described grid.
3. backlight as claimed in claim 2, is characterized in that,
Be filled with inert gas in described seal box;
Described control assembly comprises the electrode group be comprised of opposite polarity the first electrode and the second electrode, described the first electrode and the second electrode are inputted high-frequency pulse current by external power source, produce electromagnetic field of high frequency, making described inert gas occur to ionize and produce can the luminous excimer radiation of fluorescence excitation layer.
4. backlight as claimed in claim 3, is characterized in that,
Described control assembly comprises at least two described electrode groups, and each described electrode group is arranged on fluorescence coating substrate one side is not set, and arranges along its length.
5. backlight as claimed in claim 3, is characterized in that,
Described control assembly comprises at least two described electrode groups, and the first electrode in each electrode group and the second electrode are divided on shading matrix or fluorescence coating substrate one side is not set.
6. backlight as described as claim 4 or 5, is characterized in that,
Be formed with electrode protecting layer on described the first electrode and the second electrode, the material of described electrode protecting layer is material anticorrosive and insulation.
7. backlight as claimed in claim 2, is characterized in that,
Described control assembly comprises opposite polarity the first electrode and the second electrode, and described the first electrode and the second electrode are inputted high-frequency pulse current by external power source, produces electromagnetic field of high frequency;
Described the first electrode is arranged between described transparent substrates and described fluorescence coating;
Described the second electrode is arranged on substrate one side that fluorescence coating is not set;
Described the first electrode and the second electrode are inputted high-frequency pulse current by external power source, and described the second electrode produces the emission high energy electron, makes described fluorescence coating luminous.
8. backlight as described as claim 3 or 7, is characterized in that,
Be provided with reflection layer in described seal box.
9. backlight as claimed in claim 1, is characterized in that,
Described fluorescence coating comprises fluorescent material, and described fluorescent material is rare-earth trichromatic fluorescent powder.
10. a display unit, comprise display floater, it is characterized in that, also comprises the described backlight of claim 1-9 any one.
11. display unit as claimed in claim 10, is characterized in that,
Be provided with the shading matrix that comprises some grids in described backlight, described fluorescence coating is divided in each described grid, pixel region in the same size in the size of described grid and display floater, and described network site is corresponding with the position of described pixel region.
CN201310425552.2A 2013-09-17 2013-09-17 Backlight and display device Expired - Fee Related CN103471011B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105842917A (en) * 2016-04-20 2016-08-10 乐视控股(北京)有限公司 Composite light guide plate, manufacturing method thereof, backlight module, display equipment and light box
CN107908044A (en) * 2018-01-02 2018-04-13 京东方科技集团股份有限公司 Flexible backlight source and preparation method thereof, display device
WO2020042649A1 (en) * 2018-08-31 2020-03-05 昆山工研院新型平板显示技术中心有限公司 Light conversion substrate and manufacturing method therefor, and display panel

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08115608A (en) * 1995-07-27 1996-05-07 Seiko Epson Corp Electronic appliance
CN1530708A (en) * 2003-03-13 2004-09-22 友达光电股份有限公司 Light negative module and liquid-crystal displaying device
CN1621920A (en) * 2003-11-29 2005-06-01 株式会社Lstech Flat fluorescent lamp and backlight unit using the same
US20070041182A1 (en) * 2005-07-20 2007-02-22 Shichao Ge Fluorescent Lamp for Lighting Applications

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08115608A (en) * 1995-07-27 1996-05-07 Seiko Epson Corp Electronic appliance
CN1530708A (en) * 2003-03-13 2004-09-22 友达光电股份有限公司 Light negative module and liquid-crystal displaying device
CN1621920A (en) * 2003-11-29 2005-06-01 株式会社Lstech Flat fluorescent lamp and backlight unit using the same
US20070041182A1 (en) * 2005-07-20 2007-02-22 Shichao Ge Fluorescent Lamp for Lighting Applications

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105842917A (en) * 2016-04-20 2016-08-10 乐视控股(北京)有限公司 Composite light guide plate, manufacturing method thereof, backlight module, display equipment and light box
CN107908044A (en) * 2018-01-02 2018-04-13 京东方科技集团股份有限公司 Flexible backlight source and preparation method thereof, display device
US11119356B2 (en) 2018-01-02 2021-09-14 Boe Technology Group Co., Ltd. Flexible backlight, method for manufacturing the same, and display device
WO2020042649A1 (en) * 2018-08-31 2020-03-05 昆山工研院新型平板显示技术中心有限公司 Light conversion substrate and manufacturing method therefor, and display panel
US11251345B2 (en) 2018-08-31 2022-02-15 Chengdu Vistar Optoelectronics Co., Ltd. Light conversion substrate and manufacturing method thereof, and display panel

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