CN110568660A - Display device and method for manufacturing the same - Google Patents
Display device and method for manufacturing the same Download PDFInfo
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- CN110568660A CN110568660A CN201910732566.6A CN201910732566A CN110568660A CN 110568660 A CN110568660 A CN 110568660A CN 201910732566 A CN201910732566 A CN 201910732566A CN 110568660 A CN110568660 A CN 110568660A
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- display device
- back plate
- glass back
- glass
- light source
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- 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
- 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
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
- G02F1/133314—Back frames
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133612—Electrical details
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention provides a display device which comprises a glass back plate, a circuit layer, a light source, a middle frame bracket and a liquid crystal module, wherein the glass back plate is arranged on the middle frame bracket; the circuit layer is arranged on the glass back plate, the light source is arranged on the glass back plate, the glass back plate is fixed in the middle frame support, and the liquid crystal module covers the glass back plate. The light source lamp plate and the glass back plate are combined into a whole, so that the product cost can be reduced, and the assembly efficiency of the product is improved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device and a preparation method thereof.
background
Conventional liquid crystal display devices are generally classified into an edge type and a direct type. For medium and small size, the side light type display device has the advantages of light weight, thinness, low power consumption and the like; however, with the development of the technology level, the demand for large-sized display devices is increasing, and the large-sized side-view display devices have limited number of light sources, low light utilization rate, and cannot meet the brightness requirement of the large-sized liquid crystal display devices. The large-size direct type display device can accommodate more light sources, and has high light utilization rate, so people are favored, but the existing large-size direct type display device is thicker and cannot meet the requirement of people on ultra-thinning of the display device.
At present, the technology of the liquid crystal television is developed, and the traditional form is continuously updated. The glass material is adopted to replace the traditional metal material to be used as the back plate of the liquid crystal display television, and is an innovation of the television product form. Compared with the traditional metal, the glass has a flat and smooth surface, can be subjected to silk-screen printing and etching to form different appearance patterns, can greatly attract the attention of consumers, and the consumers tend to buy the televisions of the type.
Therefore, the display device of the direct type backlight module adopting the glass substrate can meet the ultra-thinning requirement of a large-size direct type display device and the requirement of manufacturing a more exquisite display device.
Disclosure of Invention
The invention provides a display device and a preparation method thereof, and solves the problems of thicker and unattractive direct type display device with large size by adopting the display device of a direct type backlight module of a glass substrate.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
The invention provides a display device which comprises a glass back plate, a circuit layer, a light source, a middle frame bracket and a liquid crystal module, wherein the glass back plate is arranged on the middle frame bracket; the circuit layer is arranged on the glass back plate, the light source is arranged on the glass back plate, the glass back plate is fixed in the middle frame support, and the liquid crystal module covers the glass back plate.
According to the display device provided by the embodiment of the invention, the display device further comprises a silk-screen layer, a reflecting coating, a diffusion plate and an optical membrane.
According to the display device provided by the embodiment of the invention, the reflective coating is coated on the circuit layer.
According to the display device provided by the embodiment of the invention, the diffusion plate is arranged above the light source, the optical membrane is arranged above the diffusion plate, and the middle frame bracket fixedly assembles the optical membrane, the diffusion plate and the glass back plate together.
According to the display device provided by the embodiment of the invention, the light source comprises a plurality of LED light bars distributed at intervals.
According to the display device provided by the embodiment of the invention, the drive PCB and the TCON in the liquid crystal module are integrated on the glass back plate.
According to the display device provided by the embodiment of the invention, the glass back plate is provided with the connector.
According to the display device provided by the embodiment of the invention, the liquid crystal screen of the liquid crystal module is connected with the connector through the COF of the display device.
According to the display device provided by the embodiment of the invention, the backlight module of the display device is a direct type backlight module.
The embodiment of the invention also provides a preparation method of the display device, which comprises the steps of manufacturing a circuit layer on the glass back plate, coating a reflecting layer on the circuit layer, and attaching a light source on the glass back plate; manufacturing a silk-screen appearance pattern on the back of the glass backboard to form a silk-screen layer; fixing the glass back plate in a middle frame support, placing a diffusion plate, an optical film and a pasted liquid crystal module in the middle frame support, and connecting the liquid crystal module with a connector through a COF (chip on film)
The invention has the beneficial effects that: according to the display device and the preparation method thereof provided by the embodiment of the invention, the direct type glass back plate is arranged, the circuit is arranged on the glass back plate, and the light source and the connector for supplying power to the light source are welded on the circuit. Thereby, the light source lamp plate closes as an organic whole with the glass backplate, consequently can reduce product cost, promotes the packaging efficiency of product.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display device provided in this embodiment.
Fig. 2 is a circuit schematic diagram of the display device provided in the present embodiment.
Fig. 3 is a schematic view of a light source of the display device provided in this embodiment.
Fig. 4 is a schematic diagram of a silk-screen layer of the display device provided in this embodiment.
Fig. 5 is an assembly diagram of the display device provided in the present embodiment.
Fig. 6 is a schematic diagram of PCB connection of the display device provided in this embodiment.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings that illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], are only referring to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals.
The present embodiment provides a display device, in which a backlight module of the display device is a direct-type backlight module. The structure of the display device is shown in fig. 1, and the display device comprises a glass back plate 1, a circuit layer 3, a light source 6, a middle frame support 4 and a liquid crystal module 9; the circuit layer 3 is etched on the glass back plate 1, the light source 6 is installed on the glass back plate 1, the glass back plate 1 is fixed in the middle frame support 4, and the liquid crystal module 9 covers the glass back plate 1. The display device further comprises a silk-screen layer 2, a reflecting layer 5, a diffusion plate 7 and an optical membrane 8. Wherein the diffusion plate 7 is disposed above the light source 6, the optical film 8 is disposed above the diffusion plate 7, and the middle frame support 4 fixedly assembles the optical film 8, the diffusion plate 7 and the glass backboard 1.
The glass back plate 1 needs to be set to a certain thickness to serve as a support of the whole display device, for example, the thickness of the glass back plate 1 of a 55-inch display is 3 mm, and the thickness of the glass back plate 1 of a 65-inch display is 4 mm.
As shown in fig. 2 and 3, the surface of the glass back plate 1 is flat and smooth, a circuit layer 3 is etched and manufactured on the inner surface of the glass back plate 1, and a reflective layer 5 is coated on the circuit layer 3. The reflecting layer 5 is paint or nano coating, the material composition of the reflecting layer can be BaSO4, CaCO3, TiO2 and other inorganic particles, and the material can be attached to the surfaces of most metals, plastics and glass. The reflective layer 5 also has a high optical stability. Subsequently, the light source 6 is attached to the glass substrate 1 by surface mount technology, in this embodiment, the light source 6 is a plurality of LED light bars distributed at intervals.
Fig. 4 shows a silk-screen appearance pattern of the display device according to the embodiment of the present invention. Preferably, the outer surface of the glass back plate 1, i.e. the opposite surface of the circuit layer 3, may be silk-screened to form the silk-screened layer 2, so as to increase the appearance performance of the product.
As shown in fig. 5, the assembly is completed by sequentially attaching the middle frame support 4 to the glass back plate 1 in which the light source 6 is assembled, placing the diffusion plate 7 and the optical film 8 in the middle frame support 4, and attaching the liquid crystal module 9.
As shown in fig. 6, the driving PCB (e.g. X-PCB, Y-PCB, etc.) and TCON12 in the liquid crystal module 9 are also integrated on the glass back panel 1, and then the connector 10 is disposed on the glass back panel 1, and the liquid crystal screen in the liquid crystal module 9 can be inserted into the connector 10 through the COF11 to achieve connection with the glass back panel 1. Therefore, the integration level can be further improved, the assembly efficiency of the product is improved, and the cost of the product is reduced.
The present implementation also provides a method for manufacturing a display device: taking a glass back plate, manufacturing a circuit layer on the glass back plate, then coating a reflecting layer on the circuit layer, and attaching a light source on the glass back plate; manufacturing silk-screen appearance patterns on the back surface of the glass back plate, namely the back surface of the circuit layer, and forming a silk-screen layer; fixing the glass back plate in the middle frame support, then placing the diffusion plate and the optical diaphragm, pasting the liquid crystal module, and connecting the liquid crystal module with the connector through a COF (chip on film) to realize the connection of the liquid crystal module and the glass back plate.
The beneficial effects are that: according to the display device and the preparation method thereof provided by the embodiment of the invention, the direct type glass back plate is arranged, the circuit is arranged on the glass back plate, and the light source and the connector for supplying power to the light source are welded on the circuit. Thereby, the light source lamp plate closes as an organic whole with the glass backplate, consequently can reduce product cost, promotes the packaging efficiency of product.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. The display device is characterized by comprising a glass back plate, a circuit layer, a light source, a middle frame bracket and a liquid crystal module; the circuit layer is arranged on the glass back plate, the light source is arranged on the glass back plate, the glass back plate is fixed in the middle frame support, and the liquid crystal module covers the glass back plate.
2. The display device of claim 1, further comprising a silk screen layer, a reflective coating, a diffuser plate, and an optical membrane.
3. The display device of claim 2, wherein the reflective coating is coated over the circuit layer.
4. The display device according to claim 2, wherein the diffuser plate is disposed above the light source, the optical film is disposed above the diffuser plate, and the bezel bracket fixedly assembles the optical film, the diffuser plate, and the glass backplane.
5. The display device of claim 1, wherein the light source comprises a plurality of spaced apart LED light bars.
6. The display device according to claim 1, wherein the driver PCB and TCON in the liquid crystal module are integrated on the glass backplane.
7. The display device according to claim 6, wherein a connector is provided on the glass backplane.
8. The display device according to claim 7, wherein the LCD screen of the LCD module is connected to the connector via a COF of the display device.
9. The display device according to claim 1, wherein the backlight module of the display device is a direct-type backlight module.
10. The preparation method of the display device is characterized in that a circuit layer is manufactured on a glass back plate, a reflecting layer is coated on the circuit layer, and a light source is attached to the glass back plate; manufacturing a silk-screen appearance pattern on the back of the glass backboard to form a silk-screen layer; and fixing the glass back plate in a middle frame support, placing a diffusion plate, an optical diaphragm and a pasted liquid crystal module in the middle frame support, and connecting the liquid crystal module with a connector through a COF (chip on film).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732566.6A CN110568660A (en) | 2019-08-09 | 2019-08-09 | Display device and method for manufacturing the same |
| PCT/CN2019/128080 WO2021027225A1 (en) | 2019-08-09 | 2019-12-24 | Display device and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732566.6A CN110568660A (en) | 2019-08-09 | 2019-08-09 | Display device and method for manufacturing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110568660A true CN110568660A (en) | 2019-12-13 |
Family
ID=68775022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910732566.6A Pending CN110568660A (en) | 2019-08-09 | 2019-08-09 | Display device and method for manufacturing the same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110568660A (en) |
| WO (1) | WO2021027225A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021027225A1 (en) * | 2019-08-09 | 2021-02-18 | 惠州市华星光电技术有限公司 | Display device and preparation method therefor |
| CN114815386A (en) * | 2022-03-25 | 2022-07-29 | 京东方科技集团股份有限公司 | Backlight module, display device and preparation method of display module |
| CN114879412A (en) * | 2022-07-11 | 2022-08-09 | 广东中强精英电子科技有限公司 | Backlight module and display device |
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- 2019-08-09 CN CN201910732566.6A patent/CN110568660A/en active Pending
- 2019-12-24 WO PCT/CN2019/128080 patent/WO2021027225A1/en active Application Filing
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| CN101571644A (en) * | 2008-04-28 | 2009-11-04 | 深超光电（深圳）有限公司 | Backboard structure of backlight module |
| CN206848699U (en) * | 2017-07-07 | 2018-01-05 | 信利半导体有限公司 | A kind of intelligent watch index dial structure |
| CN206870867U (en) * | 2017-07-07 | 2018-01-12 | 信利半导体有限公司 | A kind of onboard instruments disk |
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| WO2021027225A1 (en) * | 2019-08-09 | 2021-02-18 | 惠州市华星光电技术有限公司 | Display device and preparation method therefor |
| CN114815386A (en) * | 2022-03-25 | 2022-07-29 | 京东方科技集团股份有限公司 | Backlight module, display device and preparation method of display module |
| CN114879412A (en) * | 2022-07-11 | 2022-08-09 | 广东中强精英电子科技有限公司 | Backlight module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021027225A1 (en) | 2021-02-18 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191213 |
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| RJ01 | Rejection of invention patent application after publication |