CN104777643A - Assembly method of liquid crystal display module - Google Patents
Assembly method of liquid crystal display module Download PDFInfo
- Publication number
- CN104777643A CN104777643A CN201510155097.8A CN201510155097A CN104777643A CN 104777643 A CN104777643 A CN 104777643A CN 201510155097 A CN201510155097 A CN 201510155097A CN 104777643 A CN104777643 A CN 104777643A
- Authority
- CN
- China
- Prior art keywords
- barricade
- display panel
- liquid crystal
- shield layer
- crystal display
- 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.)
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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
-
- 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
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
-
- 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
-
- 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
- G02F1/133325—Assembling processes
Abstract
The invention discloses an assembly method of a liquid crystal display module. The assembly method comprises following steps of providing a display panel, wherein the display panel is attached to a first polarizer and a second polarizer, and a circle of light shield layer is formed at the edge of the surface of one side, attached to the second polarizer, of the display panel; forming a retaining wall on the light shield layer; assembling an optic diaphragm group, a light guide plate, a lamp bar and a reflection plate on the surface at one side, where the retaining wall is formed, of the display panel. The retaining wall is formed at the surface of the display panel to replace an adhesive frame, automated assembly is convenient to realize, the assembly precision is improved and a narrow frame design is realized.
Description
Technical field
The present invention relates to the technical field of liquid crystal display, particularly about a kind of assemble method of liquid crystal display module.
Background technology
Along with electronic product towards light, thin, miniaturization is fast-developing, various portable electric product is nearly all using liquid crystal display (Liquid Crystal Display, LCD) as display panel.
Liquid crystal display module (Liquid Crystal Module, LCM) be the important composition parts of liquid crystal display, liquid crystal display module comprises display panel and backlight module, backlight module is made up of elements such as glue frame, backboard, reflecting plate, light guide plate, lamp bar and optical diaphragm group usually, backboard and glue frame form a framed structure, it is inner to be assembled in framed structure that reflecting plate, light guide plate, lamp bar and optical diaphragm group etc. are sequentially placed on glue frame, and display panel is then supported by glue frame and is fixed on backlight module.For making glue frame in the preparation can be shaping, usually glue frame integral production become a framed structure and possess certain width and thickness, again other element is put into glue frame successively during assembling, therefore, existing liquid crystal display module adopts semi-automatic assembling usually, assembling flow path is more loaded down with trivial details, and there is larger assembling tolerance (assembly precision is poor), cannot meet the requirement of existing electronic product to narrow frame design.
Summary of the invention
The object of the present invention is to provide a kind of assemble method of liquid crystal display module, be convenient to realize automatic assembling, improve assembly precision.
The invention provides a kind of assemble method of liquid crystal display module, this assemble method comprises the following steps:
There is provided a display panel, this display panel is pasted with the first polaroid and the second polaroid;
The edge being pasted with a side surface of the second polaroid along this display panel forms a circle light shield layer;
This light shield layer forms barricade;
The side surface-assembled optical diaphragm group of barricade, light guide plate, lamp bar and reflecting plate is formed at this display panel.
Further, this light shield layer is shading rubber belt, and this shading rubber belt is arranged to hollow in one week along the edge of this display panel.
Further, this barricade is arranged to hollow in one week along the edge of this display panel.
Further, the width of this this barricade is less than the width of this light shield layer, and this barricade is arranged along the most outer of this light shield layer.
Further, the step that this light shield layer is formed barricade is, this light shield layer is put glue and dries and form barricade.
Further, the step that this light shield layer is formed barricade is on this light shield layer, attach adhesive tape and form barricade.
Further, the upper and lower surface of this adhesive tape all has viscosity, and a wherein side surface of this adhesive tape is attached on this light shield layer.
Further, the step being formed with the side surface-assembled optical diaphragm group of barricade, light guide plate, lamp bar and reflecting plate at this display panel comprises:
By optical diaphragm group, lamp bar and assembling light guiding plate in the receiving space that this barricade and this display panel are formed;
This reflecting plate is attached at the side surface away from display panel of this barricade, is covered in the opening part of this receiving space.
Further, optical diaphragm group, lamp bar and the assembling light guiding plate step in the receiving space that this barricade and this display panel are formed is comprised:
Optical diaphragm group is put into this receiving space;
Lamp bar is arranged on one of them side of this light guide plate;
This light guide plate and lamp bar are put into this receiving space.
Further, this optical diaphragm group and clearance fit between this light guide plate and this barricade.
In embodiments of the invention, by the following table millet cake glue at display panel or after attaching adhesive tape formation barricade, assemble optical diaphragm group, lamp bar, light guide plate and reflecting plate more successively, thus can direct-assembling backlight module on a display panel, and without the need to first other, backlight module is assembled, the assembling flow path of liquid crystal display module can be simplified, be convenient to realize automatic assembling, thus improving assembly precision and packaging efficiency, the assembling tolerance in reduction assembling process between each element is on the impact of module size.Meanwhile, adopt barricade to replace existing adhesive frame structure, due to restriction (glue frame need possess plastic width and the thickness etc.) impact on module size of the technique of material own during glue frame can be avoided to design, meet the demand of narrow frame design.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the assemble method of liquid crystal display module in the embodiment of the present invention.
Fig. 2 A-Fig. 2 F is the structural representation of liquid crystal display module in each step in the embodiment of the present invention.
Embodiment
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to the specific embodiment of the present invention, structure, feature and effect thereof, be described in detail as follows.
Fig. 1 is the process flow diagram of the assemble method of liquid crystal display module in the embodiment of the present invention.As shown in Figure 1, the assemble method of liquid crystal display module of the present invention comprises the following steps:
Step 101: provide a display panel, this display panel is pasted with the first polaroid and the second polaroid;
Step 102: the edge being pasted with a side surface of the second polaroid along this display panel forms a circle light shield layer;
Step 103: form barricade on this light shield layer;
Step 104: be formed with the side surface-assembled optical diaphragm group of barricade, light guide plate, lamp bar and reflecting plate at this display panel.
Next, each step of the assemble method of liquid crystal display module is described in detail as follows.
Step 101: provide a display panel, this display panel is pasted with the first polaroid and the second polaroid.
Please refer to Fig. 2 A, be state when display panel 21 is inverted shown in figure, that is, the second surface of display panel 21 is upper, first surface (side for showing) under, the both side surface up and down of display panel 21 is pasted with the first polaroid 211 and the second polaroid 212 respectively.In an embodiment of the present invention, display panel 21 refers to the assembling completing the elements such as liquid crystal panel, colored filter and polaroid, and the semi-manufacture (Open Cell) of backlight module are not installed, the structure of display panel 21 is known for those skilled in the art, repeats no more herein.
Step 102: the edge being pasted with a side surface of the second polaroid along this display panel forms a circle light shield layer.
As shown in Figure 2 B, light shield layer 22 is formed at the side surface that display panel 21 is pasted with the second polaroid 212, and in the present embodiment, light shield layer 22 is shading rubber belt, and hollow is arranged to by edge one circle of this shading rubber belt around the surface of display panel 21.Intelligible, in other embodiments of the invention, light shield layer 22 is also formed by alternate manner, such as, the ink layer that light shield layer 22 can be formed for the mode by ink-jet or printing, or the coating for being formed by the mode of sputter or evaporation, or for carrying out chemical treatment to the second polaroid 212 and the chemical generation layer etc. that generates, but not as limit.
Step 103: form barricade on light shield layer.
As shown in Figure 2 C, light shield layer 22 forms a circle barricade 23 along the bearing of trend of light shield layer 22, and also, hollow is arranged in one week in barricade 23 is pasted with a side surface of the second polaroid 212 edge along display panel 21.A receiving space 28 is formed between barricade 23 and display panel 21, the width of barricade 23 is less than the width of light shield layer 22, and barricade 23 is formed at the most outer of light shield layer 22, so, light shield layer 22 can be made to be covered in the top in the gap between the medial surface of barricade 23 and other element completely, thus to avoid backlight module generation light leakage phenomena.In the present embodiment, barricade 23 is adhesive tape, and the surface (lower surface) of this adhesive tape towards light shield layer 22 all has viscosity with the surface (upper surface) away from light shield layer 22.When attaching this adhesive tape, can directly attach on light shield layer 22, or after first adhesive tape being attached into hollow according to the size of display panel 21 in a transfer paper, then transfer on light shield layer 22.In another embodiment of the invention, also on light shield layer 22, be coated with a circle colloid by gluing process, and dry this colloid and form barricade 23, should ensure that the colloid be coated with possesses certain thickness and width after the drying during point glue, and the thickness of barricade 23 should be more than or equal to the overall height after backlight unit optical model sheet group and light guide plate, the assembling of lamp bar.
Step 104: be formed with the side surface-assembled optical diaphragm group of barricade, light guide plate, lamp bar and reflecting plate at display panel.
First, as shown in Figure 2 D, optical diaphragm group 24 is put in receiving space 28 (scheme not mark, refer to Fig. 2 C) that barricade 23 and display panel 21 formed, clearance fit between optical diaphragm group 24 and barricade 23.
Then, as shown in Figure 2 E, first lamp bar 25 is arranged on one of them side of light guide plate 26, again the light guide plate 26 combined is put into receiving space 28 together with lamp bar 25, be stacked in the top of optical diaphragm group 24, light guide plate 26 does not install the clearance fit between other three sides and barricade 23 of lamp bar.Intelligible, in other embodiments of the invention, lamp bar 25 also can be arranged at the wherein both sides of light guide plate 26, three sides or be arranged at the surrounding of light guide plate 26.
Finally, as shown in Figure 2 F, reflecting plate 27 is attached at the upper surface of barricade 23, the area of reflecting plate 27 is greater than the aperture area of receiving space 28, thus makes it be covered in the opening part of receiving space 28.
As shown in Figure 2 F, the liquid crystal display module assembled comprises display panel 21, light shield layer 22, barricade 23, optical diaphragm group 24, lamp bar 25, light guide plate 26 and reflecting plate 27.The upper and lower surface of display panel 21 is pasted with the first polaroid 211 and the second polaroid 212, light shield layer 22 is arranged at side surface display panel 21 being pasted with the second polaroid 212, barricade 23 is formed on light shield layer 22, thus jointly form a receiving space 28 with display panel 21 and (scheme not mark, refer to Fig. 2 C), optical diaphragm group 24 and light guide plate 26 are stacked in receiving space 28 successively, lamp bar 25 is positioned at the side of light guide plate 26, reflecting plate 27 is attached on barricade 23, covers the opening part of receiving space 28.
The assemble method of liquid crystal module of the present invention, by the following table millet cake glue at display panel or after attaching adhesive tape formation barricade, assemble optical diaphragm group, lamp bar, light guide plate and reflecting plate more successively, thus can direct-assembling backlight module on a display panel, and without the need to first other, backlight module is assembled, the assembling flow path of liquid crystal display module can be simplified, be convenient to realize automatic assembling, thus improving packaging efficiency and assembly precision, the assembling tolerance in reduction assembling process between each element is on the impact of module size.Meanwhile, adopt barricade to replace existing adhesive frame structure, due to restriction (glue frame need possess plastic width and the thickness etc.) impact on module size of the technique of material own during glue frame can be avoided to design, meet the demand of narrow frame design.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. an assemble method for liquid crystal display module, is characterized in that: this assemble method comprises the following steps:
There is provided a display panel, this display panel is pasted with the first polaroid and the second polaroid;
The edge being pasted with a side surface of the second polaroid along this display panel forms a circle light shield layer;
This light shield layer forms barricade;
The side surface-assembled optical diaphragm group of barricade, light guide plate, lamp bar and reflecting plate is formed at this display panel.
2. the assemble method of liquid crystal display module as claimed in claim 1, it is characterized in that: this light shield layer is shading rubber belt, this shading rubber belt is arranged to hollow in one week along the edge of this display panel.
3. the assemble method of liquid crystal display module as claimed in claim 1, is characterized in that: this barricade is arranged to hollow in one week along the edge of this display panel.
4. the assemble method of liquid crystal display module as claimed in claim 3, is characterized in that: the width of this barricade is less than the width of this light shield layer, and this barricade is arranged along the most outer of this light shield layer.
5. the assemble method of liquid crystal display module as claimed in claim 1, is characterized in that: the step forming barricade on this light shield layer is, this light shield layer is put glue and dries and form barricade.
6. the assemble method of liquid crystal display module as claimed in claim 1, is characterized in that: the step forming barricade on this light shield layer is on this light shield layer, attach adhesive tape and form barricade.
7. the assemble method of liquid crystal display module as claimed in claim 6, it is characterized in that: the upper and lower surface of this adhesive tape all has viscosity, a wherein side surface of this adhesive tape is attached on this light shield layer.
8. the assemble method of liquid crystal display module as claimed in claim 1, is characterized in that: the step being formed with the side surface-assembled optical diaphragm group of barricade, light guide plate, lamp bar and reflecting plate at this display panel comprises:
By optical diaphragm group, lamp bar and assembling light guiding plate in the receiving space that this barricade and this display panel are formed;
This reflecting plate is attached at the side surface away from display panel of this barricade, is covered in the opening part of this receiving space.
9. the assemble method of liquid crystal display module as claimed in claim 8, is characterized in that: optical diaphragm group, lamp bar and the assembling light guiding plate step in the receiving space that this barricade and this display panel are formed comprised:
Optical diaphragm group is put into this receiving space;
Lamp bar is arranged on one of them side of this light guide plate;
This light guide plate and lamp bar are put into this receiving space.
10. the assemble method of liquid crystal display module as claimed in claim 9, is characterized in that: this optical diaphragm group and clearance fit between this light guide plate and this barricade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510155097.8A CN104777643B (en) | 2015-04-02 | 2015-04-02 | A kind of assemble method of liquid crystal display die set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510155097.8A CN104777643B (en) | 2015-04-02 | 2015-04-02 | A kind of assemble method of liquid crystal display die set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104777643A true CN104777643A (en) | 2015-07-15 |
| CN104777643B CN104777643B (en) | 2018-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510155097.8A Active CN104777643B (en) | 2015-04-02 | 2015-04-02 | A kind of assemble method of liquid crystal display die set |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105005111A (en) * | 2015-08-11 | 2015-10-28 | 深圳科利盟电子有限公司 | Light guiding plate and backlight module group using the same |
| CN108989508A (en) * | 2018-08-24 | 2018-12-11 | Oppo（重庆）智能科技有限公司 | A kind of display screen assemble method, display screen and electronic equipment |
| CN109410752A (en) * | 2018-11-05 | 2019-03-01 | 深圳市山本光电股份有限公司 | A kind of COB lamp bar adhesive method, COB lamp bar and display screen |
| CN114299817A (en) * | 2021-12-29 | 2022-04-08 | 武汉华星光电半导体显示技术有限公司 | Display module and display device |
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| CN102749736A (en) * | 2012-04-06 | 2012-10-24 | 友达光电股份有限公司 | Display device and assembling method thereof |
| CN203965762U (en) * | 2014-07-21 | 2014-11-26 | 昆山龙腾光电有限公司 | Liquid crystal indicator |
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| JP2006259495A (en) * | 2005-03-18 | 2006-09-28 | Dainippon Ink & Chem Inc | Light-blocking adhesive tape for lcd module fixation |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105005111A (en) * | 2015-08-11 | 2015-10-28 | 深圳科利盟电子有限公司 | Light guiding plate and backlight module group using the same |
| CN108989508A (en) * | 2018-08-24 | 2018-12-11 | Oppo（重庆）智能科技有限公司 | A kind of display screen assemble method, display screen and electronic equipment |
| CN109410752A (en) * | 2018-11-05 | 2019-03-01 | 深圳市山本光电股份有限公司 | A kind of COB lamp bar adhesive method, COB lamp bar and display screen |
| CN114299817A (en) * | 2021-12-29 | 2022-04-08 | 武汉华星光电半导体显示技术有限公司 | Display module and display device |
| CN114299817B (en) * | 2021-12-29 | 2023-09-26 | 武汉华星光电半导体显示技术有限公司 | Display module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104777643B (en) | 2018-07-06 |
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Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee after: Kunshan Longteng Au Optronics Co Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee before: Kunshan Longteng Optronics Co., Ltd. |
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