CN111505851A - Liquid crystal display module - Google Patents
Liquid crystal display module Download PDFInfo
- Publication number
- CN111505851A CN111505851A CN202010230460.9A CN202010230460A CN111505851A CN 111505851 A CN111505851 A CN 111505851A CN 202010230460 A CN202010230460 A CN 202010230460A CN 111505851 A CN111505851 A CN 111505851A
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- China
- Prior art keywords
- liquid crystal
- crystal display
- display panel
- display module
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 91
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 238000003466 welding Methods 0.000 claims abstract description 3
- 238000009792 diffusion process Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000010408 film Substances 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Images
Classifications
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- 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
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a liquid crystal display module, which is characterized in that: including liquid crystal display panel, flexible printed circuit board, the light source, board and fixed shell are shaded, liquid crystal display panel one side electricity is connected with integrated drive circuit chip, flexible printed circuit board's circuit output end is connected to integrated drive circuit chip through welding or anisotropic conductive film, flexible printed circuit board keeps away from integrated drive circuit chip one side and extends and be formed with spacing, the light source electrical property is rabbeted on flexible printed circuit board, the light source is provided with a plurality ofly, fixed shell is used for the installation of liquid crystal display panel and board in a poor light, wherein, liquid crystal display panel installs the upper surface at fixed shell, the board in a poor light is installed in the lower surface of fixed shell. The liquid crystal display module has the advantages of simple structure and convenient assembly, and can increase the light guide function of the substrate, so that the picture displayed by the liquid crystal display panel is brighter and clearer.
Description
Technical Field
The invention relates to the field of display equipment, in particular to a liquid crystal display module.
Background
With the development of digital technology, liquid Crystal Display products have been widely used in various layers of daily life, and the fineness of liquid Crystal Display (L liquid Crystal Display, L CD), the thinness and lightness requirements of Display panels, and the color Display characteristics of pictures have been gradually improved.
Therefore, it is a problem to be solved by the present inventor how to design a liquid crystal display module having a simple structure and easy assembly, and capable of increasing the light guiding function of the substrate.
Disclosure of Invention
The invention provides a liquid crystal display module, which has the advantages of simple structure and convenient assembly, and can increase the light guide function of a substrate, so that the picture displayed by a liquid crystal display panel is brighter and clearer.
The utility model provides a liquid crystal display module assembly which characterized in that: comprises a liquid crystal display panel, a flexible printed circuit board, a light source, a backlight plate and a fixed shell; one side of the liquid crystal display panel is electrically connected with an integrated driving circuit chip; the liquid crystal display panel is used for displaying pictures; the circuit output end of the flexible printed circuit board is connected to the integrated driving circuit chip through welding or an anisotropic conductive film, and a limiting strip is formed on one side of the flexible printed circuit board, which is far away from the integrated driving circuit chip, in an extending manner; the light source is electrically embedded on the flexible printed circuit board and provides light required by picture display for the liquid crystal display panel; the light source is provided with a plurality of light sources; the backlight plate reflects light rays of the light source to the liquid crystal display panel to enhance the brightness of the picture display of the liquid crystal display panel; the fixed shell is used for installing the liquid crystal display panel and the backlight plate, wherein the liquid crystal display panel is installed on the upper surface of the fixed shell, and the backlight plate is installed on the lower surface of the fixed shell.
Preferably, the liquid crystal display panel includes an upper substrate and a lower substrate; and a liquid crystal layer is arranged between the upper substrate and the lower substrate.
Further preferably, an upper common electrode and a color filter are formed on a surface of the upper substrate adjacent to the liquid crystal layer; and a lower common electrode and a thin film transistor chip are formed on the surface of the lower substrate adjacent to the liquid crystal layer.
Further preferably, an upper alignment layer is arranged between the upper substrate and the liquid crystal layer; and a lower alignment layer is arranged between the lower substrate and the liquid crystal layer.
Still preferably, a polarizer is disposed on a surface of the upper substrate away from the liquid crystal layer.
Preferably, a diffusion sheet and a light guide plate are respectively arranged between the liquid crystal display panel and the backlight plate; the diffusion sheet is arranged above the light guide plate, wherein positioning blocks are formed on the diffusion sheet and the side edge of the light guide plate.
Further preferably, a light-transmitting groove is formed in the middle of the fixed shell in a penetrating manner; and one side of the fixed shell forms a matching slot matched with the flexible printed circuit board.
Further preferably, a light source mounting groove is further formed in the fixed shell; the light source mounting groove is arranged at the junction of the light transmission groove and the matching groove.
Further preferably, the outer side edge of the fixed shell is provided with a limiting hole for installing a limiting strip; and a positioning groove for positioning and installing a diffusion sheet and a positioning block formed on the side edge of the light guide plate is arranged on the inner side of the fixed shell.
Preferably, the backlight plate is a plane reflector or an ion-coated reflector or a prism reflector.
Compared with the prior art, the invention has the following beneficial effects: the liquid crystal display module comprises a fixed shell, a liquid crystal display panel, a flexible printed circuit board, a light source and a backlight plate, and has the advantages of simple structure and convenience in assembly, and meanwhile, the light guide function of the substrate can be increased, so that the picture displayed by the liquid crystal display panel is brighter and clearer.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of fig. 1 in accordance with the present invention.
Fig. 3 is a schematic structural view of the stationary housing of the present invention.
FIG. 4 is a cross-sectional view of a liquid crystal display panel according to the present invention.
In the figure: 10-fixing the housing; 20-a liquid crystal display panel; 30-a flexible printed circuit board; 40-a light source; 50-integrated driving circuit chip; 60-a diffusion sheet; 70-a light guide plate; 80-a backlight plate; 101-a light-transmitting groove; 102-a mating slot; 103-light source mounting groove; 104-a positioning groove; 105-a limiting hole; 201-an upper substrate; 202-lower substrate; 203-liquid crystal layer; 204 — upper alignment layer; 205-lower alignment layer; 206-a polarizing plate; 301-limit bar.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
In the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "between", "close", "far", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention; the term "plurality" means at least two, e.g., two, three, etc., and is used herein for descriptive purposes only and unless otherwise specifically limited; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
As shown in fig. 1, the present invention provides a liquid crystal display module, which includes a fixed housing 10, a liquid crystal display panel 20, a flexible printed circuit board 30, a light source 40 and a backlight plate 80, wherein; an integrated driving circuit chip 50 is electrically connected to one side of the liquid crystal display panel 20; the liquid crystal display panel 20 is used for displaying pictures; the circuit output terminal of the flexible printed circuit board 30 is connected to the integrated driving circuit chip 50 by soldering or an anisotropic conductive film so that an electrical signal can be transmitted to the liquid crystal display panel 20.
The light source 40 is electrically embedded in the flexible printed circuit board 30 to provide light required for displaying images for the liquid crystal display panel 20; the light source 40 is provided in plurality, and in one embodiment of the present invention, the number of the light sources 40 is 3, and the light source 40 employs a light emitting diode.
The backlight plate 80 is used for reflecting the light of the light source 40 to the liquid crystal display panel 20, so as to enhance the brightness of the picture display of the liquid crystal display panel 20.
The fixed housing 10 is used for mounting the liquid crystal display panel 20 and the backlight plate 80, wherein the liquid crystal display panel 20 is mounted on the upper surface of the fixed housing 10, and the backlight plate 80 is mounted on the lower surface of the fixed housing 10.
As shown in fig. 4, in some embodiments of the present invention, the liquid crystal display panel 20 includes an upper substrate 201 and a lower substrate 202; a liquid crystal layer 203 is disposed between the upper substrate 201 and the lower substrate 202. The upper substrate 201, the lower substrate 202 and the liquid crystal layer 203 are sequentially overlapped and the edges are bonded through the UV glue, the UV glue has a good curing effect, and the upper substrate 201, the lower substrate 202 and the liquid crystal layer 203 can be connected together without coating ultraviolet curing and coating baking processes.
An upper common electrode and a color filter are formed on the surface of the upper substrate 201 adjacent to the liquid crystal layer 203; the lower common electrode and the thin film transistor chip are formed on the surface of the lower substrate 202 adjacent to the liquid crystal layer 203.
An upper alignment layer 204 is arranged between the upper substrate 201 and the liquid crystal layer 203; a lower alignment layer 205 is disposed between the lower substrate 202 and the liquid crystal layer 203. The alignment directions of the upper alignment layer 204 and the lower alignment layer 205 are at an angle to each other, and the molecular chains of the liquid crystal layer 203 are aligned along the alignment direction and also at an angle.
The upper surface of the upper substrate 201 and the lower surface of the lower substrate 202 are provided with polarizing plates 206. The polarization axes of the two polarizers 206 are perpendicular to each other, and the directions of the respective polarization axes are parallel to or cross the alignment direction of the alignment layer 154, so that polarized light is obtained after the light passes through the polarizers 206 to adjust the transmission path of the light, thereby realizing image display.
As shown in fig. 2, in some embodiments of the present invention, a diffusion sheet 60 and a light guide plate 70 are respectively disposed between the liquid crystal display panel 20 and the backlight plate 80; the diffusion sheet 60 is disposed above the light guide plate 70, wherein positioning blocks are formed at the sides of the diffusion sheet 60 and the light guide plate 70. The light is incident into the light guide plate 70 from the light source 40, after being reflected and refracted for many times in the light guide plate 70, enters the diffusion sheet 60 with a diffusion function, part of the light is reflected by the backlight plate 80, and enters the light guide plate 70 again, and then the light is incident into the diffusion sheet 60 from the light guide plate 70, so that a uniform light emitting surface light source is obtained to provide the light to the liquid crystal display panel 20.
As shown in fig. 3, in some embodiments of the present invention, a light-transmitting groove 101 is formed through the middle of the fixed housing 10; a matching groove 102 matched with the flexible printed circuit board 30 is formed at one side of the fixed shell 10, and a light source mounting groove 103 is further formed on the fixed shell 10; the light source mounting groove 103 is arranged at the junction of the light transmission groove 101 and the matching groove 102, one side of the flexible printed circuit board 30, which is far away from the integrated drive circuit chip 50, extends to form a limiting strip 301, a limiting hole 105 for installing the limiting strip 301 is arranged on the outer side edge of the fixed shell 10, and the light source 40 is correspondingly nested into the light source mounting groove 103 after the assembly is completed by virtue of the flexibility of the flexible printed circuit board 30, the limiting strip 301 is nested into the limiting hole 105, so that the installation is convenient and stable.
The inner side of the fixed housing 10 is provided with a positioning groove 104 for positioning and installing a positioning block formed on the side edge of the diffusion sheet 60 and the light guide plate 70, so that the liquid crystal display panel 20, the diffusion sheet 60, the light guide plate 70 and the backlight plate 80 can be conveniently assembled and fixed, and the diffusion sheet 60 and the light guide plate 70 are prevented from moving to influence the propagation path of light rays to cause image display interference.
The board 80 that is shaded adopts the faceted pebble speculum, and wherein, the faceted pebble speculum adopts accurate compression molding technique, forms the complicated internal surface of shape, and the speculum surface has a plurality of planes of reflection, and the emergent light after the reflection is more even, soft, and the faceted pebble speculum is with borosilicate glass substrate, and the plane of reflection plates refrigeration light membrane or ultraviolet reflectance coating, product have good environmental suitability, facula homogeneity and spectral performance.
The liquid crystal display module has the advantages of simple structure and convenient assembly, and can increase the light guide function of the substrate, so that the picture displayed by the liquid crystal display panel is brighter and clearer.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a liquid crystal display module assembly which characterized in that: comprises that
The liquid crystal display device comprises a liquid crystal display panel, wherein one side of the liquid crystal display panel is electrically connected with an integrated driving circuit chip; the liquid crystal display panel is used for displaying pictures;
the circuit output end of the flexible printed circuit board is connected to the integrated driving circuit chip through welding or an anisotropic conductive film, and one side of the flexible printed circuit board, which is far away from the integrated driving circuit chip, extends to form a limiting strip;
the light source is electrically embedded on the flexible printed circuit board and provides light required by picture display for the liquid crystal display panel; the light source is provided with a plurality of light sources;
the backlight plate reflects light rays of the light source to the liquid crystal display panel to enhance the brightness of the picture display of the liquid crystal display panel;
the liquid crystal display panel comprises a fixed shell, wherein the fixed shell is used for installing the liquid crystal display panel and a backlight plate, the liquid crystal display panel is installed on the upper surface of the fixed shell, and the backlight plate is installed on the lower surface of the fixed shell.
2. The liquid crystal display module of claim 1, wherein the liquid crystal display panel comprises an upper substrate and a lower substrate; and a liquid crystal layer is arranged between the upper substrate and the lower substrate.
3. The liquid crystal display module of claim 2, wherein an upper common electrode and a color filter are formed on the surface of the upper substrate adjacent to the liquid crystal layer; and a lower common electrode and a thin film transistor chip are formed on the surface of the lower substrate adjacent to the liquid crystal layer.
4. The liquid crystal display module of claim 3, wherein an upper alignment layer is disposed between the upper substrate and the liquid crystal layer; and a lower alignment layer is arranged between the lower substrate and the liquid crystal layer.
5. The liquid crystal display module of claim 4, wherein a polarizer is disposed on a surface of the upper substrate away from the liquid crystal layer.
6. The liquid crystal display module of claim 1, wherein a diffusion sheet and a light guide plate are respectively disposed between the liquid crystal display panel and the backlight plate; the diffusion sheet is arranged above the light guide plate, wherein positioning blocks are formed on the diffusion sheet and the side edge of the light guide plate.
7. The liquid crystal display module of claim 6, wherein a light-transmitting slot is formed through the middle of the fixed housing; and one side of the fixed shell forms a matching slot matched with the flexible printed circuit board.
8. The liquid crystal display module of claim 7, wherein the fixed housing further comprises a light source mounting groove; the light source mounting groove is arranged at the junction of the light transmission groove and the matching groove.
9. The liquid crystal display module of claim 8, wherein the outer side of the fixed housing has a positioning hole for mounting a positioning bar; and a positioning groove for positioning and installing a diffusion sheet and a positioning block formed on the side edge of the light guide plate is arranged on the inner side of the fixed shell.
10. The liquid crystal display module of claim 1, wherein the backlight plate is a flat mirror or an ion-coated mirror or a prism mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230460.9A CN111505851A (en) | 2020-03-27 | 2020-03-27 | Liquid crystal display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230460.9A CN111505851A (en) | 2020-03-27 | 2020-03-27 | Liquid crystal display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111505851A true CN111505851A (en) | 2020-08-07 |
Family
ID=71864656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010230460.9A Pending CN111505851A (en) | 2020-03-27 | 2020-03-27 | Liquid crystal display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111505851A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114613260A (en) * | 2020-12-09 | 2022-06-10 | 乐金显示有限公司 | Display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2852189Y (en) * | 2005-12-15 | 2006-12-27 | 群康科技(深圳)有限公司 | Liquid crystal display module |
| TW200700825A (en) * | 2005-06-17 | 2007-01-01 | Au Optronics Corp | Bottom lighting module |
| CN1940654A (en) * | 2005-09-30 | 2007-04-04 | 群康科技(深圳)有限公司 | Liquid-crystal display mould set |
| US20080036942A1 (en) * | 2006-08-11 | 2008-02-14 | Innolux Display Corp. | Backlight module and liquid crystal display device using same |
| CN101153981A (en) * | 2006-09-29 | 2008-04-02 | 群康科技(深圳)有限公司 | LCD device |
-
2020
- 2020-03-27 CN CN202010230460.9A patent/CN111505851A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200700825A (en) * | 2005-06-17 | 2007-01-01 | Au Optronics Corp | Bottom lighting module |
| CN1940654A (en) * | 2005-09-30 | 2007-04-04 | 群康科技(深圳)有限公司 | Liquid-crystal display mould set |
| CN2852189Y (en) * | 2005-12-15 | 2006-12-27 | 群康科技(深圳)有限公司 | Liquid crystal display module |
| US20080036942A1 (en) * | 2006-08-11 | 2008-02-14 | Innolux Display Corp. | Backlight module and liquid crystal display device using same |
| CN101153981A (en) * | 2006-09-29 | 2008-04-02 | 群康科技(深圳)有限公司 | LCD device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114613260A (en) * | 2020-12-09 | 2022-06-10 | 乐金显示有限公司 | Display device |
| CN114613260B (en) * | 2020-12-09 | 2024-01-19 | 乐金显示有限公司 | Display device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200807 |
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