CN110045538A - Color membrane substrates and preparation method thereof - Google Patents
Color membrane substrates and preparation method thereof Download PDFInfo
- Publication number
- CN110045538A CN110045538A CN201910269591.5A CN201910269591A CN110045538A CN 110045538 A CN110045538 A CN 110045538A CN 201910269591 A CN201910269591 A CN 201910269591A CN 110045538 A CN110045538 A CN 110045538A
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- Prior art keywords
- blue light
- film
- membrane substrates
- substrate
- tin oxide
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
-
- 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
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- 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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
Abstract
The present invention provides a kind of color membrane substrates and preparation method thereof, and the color membrane substrates include: substrate, anti-blue light film, indium tin oxide films, more than two black matrix"s and more than two color film spacer materials.The preparation method of the color membrane substrates includes: anti-blue light film preparation step, indium tin oxide films preparation step, black matrix" preparation step and color film spacer material preparation step.The technical effects of the invention are that anti-blue light film to be directly produced on to the inside of color membrane substrates, without attaching additional protection layer film, cost is reduced；The refractive index characteristic for utilizing anti-blue light film simultaneously, adjusts its film thickness, plays the role of the reflection for reducing light, enhances the transmitance of light, improves visual effect.
Description
Technical field
The present invention relates to display panel field, in particular to a kind of color membrane substrates and preparation method thereof.
Background technique
The structure of liquid crystal display panel is mainly by a thin film transistor (TFT) array (Thin Film Transistor
Array, TFT Array) it substrate, a colored filter substrate (Color Filter, CF) and is configured between two substrates
Liquid crystal layer (Liquid Crystal Layer) is constituted, its working principle is that by applying driving electricity on two panels glass substrate
It presses to control the rotation of the liquid crystal molecule LC of liquid crystal layer, the light refraction of backlight module is come out and generates picture.
In the prior art, liquid crystal display is that the light that LED light issues is white light, wavelength mostly using LED light as backlight
For 380-780nm, wherein the light of 380-450nm wavelength is known as shortwave blue light, the blue light meeting if do not handled it, in the wavelength
Increase the macular area toxin amount in human eye, induce diseases causing blindness etc., seriously threatens the eyeground health of user.
In view of the above technical problems, current solution is that the pad pasting outside purchase volume carries out at attaching TV surface
Reason leads to display panel because these pad pastings are influenced by absorption bonding coat or the film materials such as scuff-resistant coating or protective layer and technique
Light transmission rate reduce, influence visual effect.
Summary of the invention
It is an object of the present invention to which solving blue light in LED in the prior art reduces display to the injury of human eye, additional pad pasting
The light transmission rate of panel influences the technical problems such as visual effect.
To achieve the above object, the present invention provides a kind of color membrane substrates, comprising: substrate；Anti-blue light film is attached at described
The surface of substrate side；Indium tin oxide films are attached at surface of the anti-blue light film far from the substrate side；Two with
Upper black matrix" is attached at surface of the indium tin oxide films far from the anti-blue light film side；And it is more than two color
Film spacer material is attached at surface of the black matrix" far from the indium tin oxide films side.
Further, the material of the anti-blue light film is a kind of transparent organic resin or two or more transparent organic resins
Mixture.
Further, the composite refractive index n of the anti-blue light film is greater than the composite refractive index n1 of the substrate, and is less than
The composite refractive index n2 of the indium tin oxide films.
Further, the composite refractive index of the anti-blue light film
Further, the range of the thickness of the indium tin oxide films is
Further, the black matrix" is elongated, and every two black matrix" is parallel to each other；And/or.It is described coloured silk film every
Underbed is elongated, the surface set on each black matrix" far from the indium tin oxide films side.
To achieve the above object, the present invention also provides a kind of preparation method of color membrane substrates, include the following steps: that substrate is set
Step is set, a substrate is provided；Anti-blue light film preparation step prepares an anti-blue light film in the upper surface of the substrate；Oxygen
Change indium tin thin film preparation step, prepares an indium tin oxide films in the upper surface of the anti-blue light film；Black matrix" preparation
Step is coated with one layer of black matrix" photoresist solution in the upper surface of the indium tin oxide films, using photoetching process, at patterning
Black matrix" is formed after reason；And color film spacer material preparation step, color film spacer material is prepared in the upper surface of each black matrix".
Further, in the anti-blue light film preparation step, nano impression skill is utilized in the upper surface of the substrate
Art or sol-gal process prepare one layer of anti-blue light film；It include: hot setting step after the anti-blue light film preparation step
Suddenly, hot setting is carried out to the anti-blue light film, temperature range is 100 DEG C~300 DEG C, and time range is 10~60 minutes；
Step of exposure, the substrate after exposing hot setting.
Further, in the indium tin oxide films preparation step, magnetron sputtering technique or gas-phase deposition are utilized
Prepare an indium tin oxide films.
Further, the color film spacer material preparation step includes: application step, is applied in the upper surface of the black matrix"
One layer of photoresist solution of cloth；Baking procedure, baking have been coated with the substrate of photoresist solution；Patterned process step, exposure or development institute
Substrate is stated, forms color film dottle pin article pattern after patterned process；And high temperature cure step, it is high to the color film dottle pin article pattern
Temperature solidification, solidification temperature are 100 DEG C~300 DEG C, and the time is 10~60 minutes.
The technical effects of the invention are that increasing anti-blue light film, blue light is prevented to the injury of human eye, protects being good for for user
Health.Anti-blue light film is directly produced on to the inside of color membrane substrates, without attaching additional protection layer film, reduces cost；Together
The refractive index characteristic of Shi Liyong anti-blue light film, adjusts its film thickness, can also play the reflection for reducing light, improve the work of light transmission rate
With improvement visual effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of color membrane substrates described in the embodiment of the present invention；
Fig. 2 is the flow chart of the preparation method of color membrane substrates described in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram after anti-blue light film preparation step described in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram after indium tin oxide films preparation step described in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram after black matrix" preparation step described in the embodiment of the present invention；
Fig. 6 is the flow chart of color film spacer material preparation step described in the embodiment of the present invention.
Portion identification is as follows:
1, substrate；2, anti-blue light film；3, indium tin oxide films；4, black matrix"；5, color film spacer material.
Specific embodiment
Below in conjunction with Figure of description, the preferred embodiments of the present invention are described in detail, with complete to those of skill in the art
It is whole to introduce technology contents of the invention, prove that the present invention can be implemented with citing, so that technology contents disclosed by the invention are more
It is clear, so that will more readily understand how implement the present invention by those skilled in the art.However the present invention can pass through many differences
The embodiment of form emerges from, and protection scope of the present invention is not limited only to the embodiment mentioned in text, Examples below
The range that is not intended to limit the invention of explanation.
The direction term that the present invention is previously mentioned, for example, "upper", "lower", "front", "rear", "left", "right", "inner", "outside", "
Side " etc. is only the direction in attached drawing, and direction term used herein is of the invention for explanation and illustration, rather than is used
To limit the scope of protection of the present invention.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with
Like numeral label indicates.In addition, in order to facilitate understanding and description, the size and thickness of each component shown in the drawings are any
It shows, the present invention does not limit the size and thickness of each component.
When certain components, when being described as " " another component "upper", the component can be placed directly within described another group
On part；There may also be an intermediate module, the component is placed on the intermediate module, and the intermediate module is placed in another group
On part.When a component is described as " installation is extremely " or " being connected to " another component, the two can be understood as direct " installation "
Or " connection " or a component pass through an intermediate module " installation is extremely " or " being connected to " another component.
As shown in Figure 1, the present embodiment provides a kind of color membrane substrates, comprising: substrate 1, anti-blue light film 2, tin indium oxide are thin
Film 3, black matrix" 4 and color film spacer material 5.
Substrate 1 is transparent substrate, is made by quartz, glass or transparent plastic.
Anti-blue light film 2 is attached at the upper surface of substrate 1, and the quantity of anti-blue light film 2 is at least one layer, when anti-blue light is thin
When the quantity of film 2 is two layers or more, two layers or more of anti-blue light film is sequentially overlapped, and forms an anti-blue light film group.
The material of anti-blue light film 2 is the mixture of a kind of transparent organic resin or two or more transparent organic resins, excellent
Select enhanced PET (polyethylene terephthalate).The thickness of anti-blue light film 2Wherein, λ is the wavelength of light,
Range is 460nm~660nm, and k is natural number.The composite refractive index n of anti-blue light film 2 meets: n1 < n < n2, wherein n1 and n2
The respectively composite refractive index of substrate 1 and indium tin oxide films 3, it is preferable that whenWhen, anti-blue light film 2 subtracts
The effect of few reflection enhancement light transmission rate is best.
The refractive index characteristic having using anti-blue light film itself can adjust the film thickness of anti-blue light film, reduce the anti-of light
It penetrates, improves light transmission rate, improve the visual effect of display panel.Anti-blue light film controls the low wavelength blue light that screen issues, thoroughly
The rate of mistake only has 29%~31%, and the blue light for effectively obstructing this wave band reaches human eye, and the resistance of the light for 500nm above wavelength
Every rate very little, transmitance is more than 90%, has no effect on the clarity of entire screen, refractive index 1.655, and enhanced
PET heat resistance is strong.
Indium tin oxide films 3 are attached at the upper surface of anti-blue light film 2, and the range of the thickness of indium tin oxide films 3 isThe material of indium tin oxide films 3 is tin indium oxide.
Black matrix" 4 is elongated, and any two black matrix" is parallel to each other, set on the upper surface of indium tin oxide films 3,
Black matrix" plays the role of shading.
Color film spacer material 5 is elongated, and any two coloured silk film spacer material is parallel to each other, set on the upper surface of black matrix" 4.
Color film spacer material 5 includes main color film spacer material and the color film spacer material of son, the main color film spacer material and the color film spacer material of the son
It is spaced apart from each other setting, and the height of the main color film spacer material is higher than the height of the color film spacer material of the son.
The present embodiment has technical effect that, increases anti-blue light film, effectively prevent injury of the blue light to human eye, and protection is used
The health at family.Anti-blue light film is directly produced on to the inside of color membrane substrates, it is additional without being attached in the outer surface of display panel
Protection layer film, reduce cost；The refractive index characteristic for utilizing anti-blue light film simultaneously, can directly adjust the film of anti-blue light film
Thickness can also play the role of the reflection for reducing light, improve light transmission rate, improve visual effect.
As shown in Fig. 2, the present embodiment also provides a kind of preparation method of color membrane substrates, including step S1~S5.
S1 substrate setting steps, provide a substrate.
S2 anti-blue light film preparation step, provides a substrate, the upper surface of the substrate using nanometer embossing or
Sol-gal process prepares one layer of anti-blue light film.To the anti-blue light film carry out hot setting, temperature range be 100 DEG C~
300 DEG C, time range is 10~60 minutes.Substrate after exposing hot setting, so that the thickness of the anti-blue light filmWherein, λ is the wavelength of light, and range is 460nm~660nm, and k is natural number (referring to Fig. 3).
The quantity of the anti-blue light film is at least one layer, when the quantity of the anti-blue light film is two layers or more, two
Layer or more anti-blue light film be sequentially overlapped, formed an anti-blue light film group.
The material of the anti-blue light film is the mixture of a kind of transparent organic resin or two or more transparent organic resins,
Preferred enhanced PET (polyethylene terephthalate).The composite refractive index n of the anti-blue light film meets: n1 < n < n2,
In, n1 and n2 are respectively the composite refractive index of the substrate and indium tin oxide films, it is preferable that whenWhen, it is described
The effect of the reduction reflection enhancement light transmission rate of anti-blue light film is best.
The refractive index characteristic having using anti-blue light film itself can adjust the film thickness of anti-blue light film, reduce the anti-of light
It penetrates, improves light transmission rate, improve the visual effect of display panel.Anti-blue light film controls the low wavelength blue light that screen issues, thoroughly
The rate of mistake only has 29%~31%, and the blue light for effectively obstructing this wave band reaches human eye, and the resistance of the light for 500nm above wavelength
Every rate very little, transmitance is more than 90%, has no effect on the clarity of entire screen, refractive index 1.655, and enhanced
PET heat resistance is strong.
S3 indium tin oxide films preparation step is thin in the anti-blue light using magnetron sputtering technique or gas-phase deposition
An indium tin oxide films are prepared in the upper surface of film, so that the range of the thickness of the indium tin oxide films is
(referring to fig. 4).
S4 black matrix" preparation step utilizes photoetching by shading liquid deposition in the upper surface of the indium tin oxide films
Technique exposes under the action of mask plate, development solidification, forms the strip black matrix" being parallel to each other after patterned process
(referring to Fig. 5).
S5 coloured silk film spacer material preparation step, including step S51~S54 (referring to Fig. 6).
S51 application step is coated with one layer of photoresist solution in the upper surface of the black matrix".S52 baking procedure, baking apply
The substrate of the complete photoresist solution of cloth.S53 patterned process step smears a layer photoresist in the upper surface of the indium tin oxide films
Afterwards, face exposure is carried out to the indium tin oxide films by using translucent light shield (such as gray-level mask or halftone mask),
So that the photoetching offset plate figure of the indium tin oxide films turns to required photoresist pattern, by dry etching process (as using quarter
Erosion gas SF6, Cl2, CF4, Ar and NF3 etc.) it is not covered by photoresist to being corresponded in photoresist pattern on the indium tin oxide films
Region be etched, form color film dottle pin article pattern.S54 high temperature cure step, it is solid to the color film dottle pin article pattern high temperature
Change, solidification temperature is 100 DEG C~300 DEG C, and the time is 10~60 minutes.
The present embodiment has technical effect that, increases anti-blue light film, effectively prevent injury of the blue light to human eye, and protection is used
The health at family.Anti-blue light film is directly produced on to the inside of color membrane substrates, it is additional without being attached in the outer surface of display panel
Protection layer film, reduce cost；The refractive index characteristic for utilizing anti-blue light film simultaneously, can directly adjust the film of anti-blue light film
Thickness can also play the role of the reflection for reducing light, improve light transmission rate, improve visual effect.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of color membrane substrates characterized by comprising
Substrate；
Anti-blue light film is attached at the surface of the substrate side；
Indium tin oxide films are attached at surface of the anti-blue light film far from the substrate side；
More than two black matrix"s are attached at surface of the indium tin oxide films far from the anti-blue light film side；And
More than two coloured silk film spacer materials, are attached at surface of the black matrix" far from the indium tin oxide films side.
2. color membrane substrates as described in claim 1, which is characterized in that
The material of the anti-blue light film is the mixture of a kind of transparent organic resin or two or more transparent organic resins.
3. color membrane substrates as claimed in claim 2, which is characterized in that
The composite refractive index n of the anti-blue light film is greater than the composite refractive index n1 of the substrate, and is less than the tin indium oxide
The composite refractive index n2 of film.
4. color membrane substrates as claimed in claim 3, which is characterized in that
The composite refractive index of the anti-blue light film
5. color membrane substrates as described in claim 1, which is characterized in that
The range of the thickness of the indium tin oxide films is
6. color membrane substrates as described in claim 1, which is characterized in that
The black matrix" is elongated, and every two black matrix" is parallel to each other；And/or
The coloured silk film spacer material is elongated, the surface set on each black matrix" far from the indium tin oxide films side.
7. a kind of preparation method of color membrane substrates, which comprises the steps of:
Substrate setting steps provide a substrate；
Anti-blue light film preparation step prepares an anti-blue light film in the upper surface of the substrate；
Indium tin oxide films preparation step prepares an indium tin oxide films in the upper surface of the anti-blue light film；
Black matrix" preparation step is coated with one layer of black matrix" photoresist solution in the upper surface of the indium tin oxide films, utilizes
Photoetching process forms black matrix" after patterned process；And
Color film spacer material preparation step prepares color film spacer material in the upper surface of each black matrix".
8. the preparation method of color membrane substrates as claimed in claim 7, which is characterized in that
In the anti-blue light film preparation step,
One layer of anti-blue light film is prepared using nanometer embossing or sol-gal process in the upper surface of the substrate；
Include: after the anti-blue light film preparation step
High temperature cure step carries out hot setting to the anti-blue light film, and temperature range is 100 DEG C~300 DEG C, time range
It is 10~60 minutes；
Step of exposure, the substrate after exposing hot setting.
9. the preparation method of color membrane substrates as claimed in claim 7, which is characterized in that
In the indium tin oxide films preparation step,
An indium tin oxide films are prepared using magnetron sputtering technique or gas-phase deposition.
10. the preparation method of color membrane substrates as claimed in claim 7, which is characterized in that
It is described coloured silk film spacer material preparation step include:
Application step is coated with one layer of photoresist solution in the upper surface of the black matrix"；
Baking procedure, baking have been coated with the substrate of photoresist solution；
Patterned process step, exposes or the substrate that develops, and color film dottle pin article pattern is formed after patterned process；And
High temperature cure step, to the color film dottle pin article pattern hot setting, solidification temperature is 100 DEG C~300 DEG C, the time 10
~60 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910269591.5A CN110045538A (en) | 2019-04-04 | 2019-04-04 | Color membrane substrates and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910269591.5A CN110045538A (en) | 2019-04-04 | 2019-04-04 | Color membrane substrates and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493532A (en) * | 2008-01-24 | 2009-07-29 | Tcl集团股份有限公司 | Display device |
| CN105182595A (en) * | 2015-08-28 | 2015-12-23 | 京东方科技集团股份有限公司 | Display substrate, display device and manufacturing method thereof |
| CN207198511U (en) * | 2017-09-19 | 2018-04-06 | 上海昭和高分子有限公司 | A kind of LCDs of anti-blue light |
| CN108508648A (en) * | 2018-04-04 | 2018-09-07 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and preparation method thereof |
| CN108572479A (en) * | 2018-04-17 | 2018-09-25 | 昆山龙腾光电有限公司 | Display device |
-
2019
- 2019-04-04 CN CN201910269591.5A patent/CN110045538A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493532A (en) * | 2008-01-24 | 2009-07-29 | Tcl集团股份有限公司 | Display device |
| CN105182595A (en) * | 2015-08-28 | 2015-12-23 | 京东方科技集团股份有限公司 | Display substrate, display device and manufacturing method thereof |
| CN207198511U (en) * | 2017-09-19 | 2018-04-06 | 上海昭和高分子有限公司 | A kind of LCDs of anti-blue light |
| CN108508648A (en) * | 2018-04-04 | 2018-09-07 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and preparation method thereof |
| CN108572479A (en) * | 2018-04-17 | 2018-09-25 | 昆山龙腾光电有限公司 | Display device |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Applicant after: TCL Huaxing Photoelectric Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Applicant before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190723 |