CN103792716A - Liquid crystal display device and manufacturing method thereof - Google Patents
Liquid crystal display device and manufacturing method thereof Download PDFInfo
- Publication number
- CN103792716A CN103792716A CN201410079031.0A CN201410079031A CN103792716A CN 103792716 A CN103792716 A CN 103792716A CN 201410079031 A CN201410079031 A CN 201410079031A CN 103792716 A CN103792716 A CN 103792716A
- Authority
- CN
- China
- Prior art keywords
- frame
- liquid crystal
- display panel
- backlight module
- crystal indicator
- 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
Images
Landscapes
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A liquid crystal display device comprises a backlight module, a display panel and a frame. The backlight module comprises an outer frame and a diffusion sheet. The outer frame is provided with a supporting board. The diffusion sheet is provided with a shading portion. The display panel is provided with a display zone. The frame is arranged on the supporting board and surrounds the supporting board. A space which is closed actually is formed by the backlight module, the display panel and the frame. The actually-closed space covers the display zone.
Description
The application be applicant on October 24th, 2008 submit to, the divisional application of application for a patent for invention that application number is " 200810175041.9 ", that denomination of invention is " Liquid crystal disply device and its preparation method ".
Technical field
The present invention has about a kind of liquid crystal indicator, and especially has the liquid crystal indicator about a kind of accommodating display panel of outside framework with backlight module.
Background technology
Due to scientific and technological development, compact liquid crystal indicator has been widely used in various electronic goods.Such as be carry-on mobile phone, laptop computer and TV etc., all can see through liquid crystal indicator display frame.
Liquid crystal indicator at least comprises backlight module and display panel.Backlight module is in order to provide light to display panel.Display panel is in order to display frame in a viewing area.But, in the middle of the process of manufacturing at liquid crystal indicator, even if operation in highly dustless environment still has unavoidably the gap of foreign matter between each element of liquid crystal indicator and invades liquid crystal indicator.If foreign matter appears at corresponding display frame place between backlight module and display panel, the light that can disturb backlight module to provide, thereby reduce the quality of display frame.In addition, each element of liquid crystal indicator has assembling tolerance in the time of assembling.Each element is as backlight module and display panel, in the time of assembling, carrying or use, also can produce friction because of assembling tolerance between element, thereby at the derivative new foreign matter in the inside of liquid crystal indicator, make light that backlight module provides change its optical characteristics because of foreign matter.
Summary of the invention
The invention provides a kind of liquid crystal indicator, it forms an airtight in fact space between backlight module and display panel, prevents that foreign matter from entering in the space of corresponding viewing area, to guarantee the quality of liquid crystal indicator display frame.
According to an aspect of the present invention, a kind of liquid crystal indicator is proposed.Liquid crystal indicator comprises a backlight module, a display panel and a frame.Backlight module comprises an outside framework and a diffusion sheet, and outside framework has a back up pad, and diffusion sheet has a light shielding part.Display panel has a viewing area.Frame be arranged in this back up pad and along this back up pad around.Backlight module, display panel and frame three form an airtight in fact space, and viewing area is contained in this airtight in fact space system
For foregoing of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing, be described in detail below:
Accompanying drawing explanation
Fig. 1 has illustrated the schematic diagram according to the liquid crystal indicator of first embodiment of the invention.
Fig. 2 A to Fig. 2 E sequentially illustrates the process flow diagram according to the manufacture method of the liquid crystal indicator of Fig. 1.
Fig. 3 has illustrated the schematic diagram according to the section of the liquid crystal indicator of second embodiment of the invention.
Fig. 4 A to Fig. 4 D has sequentially illustrated the schematic diagram of the manufacture method of the liquid crystal indicator of second embodiment of the invention.
Fig. 5 A and Fig. 5 B have sequentially illustrated the process flow diagram of the manufacture method of the liquid crystal indicator of third embodiment of the invention.
Main element symbol description
100,200,300: liquid crystal indicator
130: display panel
131,133: Polarizer
150,250: backlight module
151: light emitting source
153,253: diffusion sheet
154: light shielding part
157: outside framework
1571,1572: back up pad
1571 ': sidewall
159: light guide sheet
170,270,370: frame
190: front frame
270 ': the side of frame
371: groove
900: light
A10: viewing area
A30, A20, A70: space
A50: photic zone
C10, C30 and C50: holding area
D30, D40, D90: spacing
H10, H10 ', H11 ', H60, H70: thickness
H50: internal diameter
L0: the surface level that back up pad defined
P10: starting point
Embodiment
The first embodiment
Please refer to Fig. 1, it has illustrated the schematic diagram according to the liquid crystal indicator of first embodiment of the invention.Liquid crystal indicator 100 comprises a backlight module 150 and a display panel 130.Backlight module 150 comprises an outside framework 157.Display panel 130 has a viewing area A10, and display panel 130 is arranged in outside framework 157.Wherein, liquid crystal indicator 100 has an airtight in fact space A30, and this airtight in fact space A30 is arranged between display panel 130 and backlight module 150, and contains viewing area A10.That is to say, the projection of viewing area A10 is contained in airtight in fact space A30 completely.Backlight module 150 provides a light 900, and light 900 passes through display panel 130 to viewing area A10 from backlight module 150, so that liquid crystal indicator 100 display frames.This airtight in fact space A30 is protected light 900 to arrive in the process of viewing area A10, can be because foreign matter changes its course or optical characteristics, and reduce the quality of liquid crystal indicator 100 display frames.
Please refer to Fig. 2 A to Fig. 2 E, it has sequentially illustrated the process flow diagram according to the manufacture method of the liquid crystal indicator of Fig. 1.
The manufacture method of the liquid crystal indicator 100 of first embodiment of the invention, first as shown in Figure 2 A, provides display panel 130 and backlight module 150, and display panel 130 has viewing area A10.In addition, backlight module 150 comprises an outside framework 157, a light emitting source 151 and multiple blooming piece.Blooming piece at least comprises diffusion sheet 153 and light guide sheet 159.Blooming piece is arranged on light emitting source 151, and the blooming piece of the present embodiment the top is diffusion sheet 153.Light emitting source 151 can be one or more cold cathode fluorescent lamp pipes (Cold Cathode Fluorescent Lamp, CCFL) or the light-emittingdiode of array (Light-Emitting Diode, LED), in order to light 900 to be provided.Blooming piece is in order to change the optical characteristics of light 900.Liquid crystal indicator 100 also comprises two Polarizers 131 and 133.Polarizer 131 and 133 is in order to by light 900 polarizations, so that liquid crystal indicator 100 display frames.
Wherein, outside framework 157 comprises two back up pads 1571 and 1572.Back up pad 1571 and 1572 lies in and in outside framework 157, defines holding area C10, C30 and C50.Light emitting source 151 is assembled in the undermost holding area C10 of outside framework 157.Comprise that diffusion sheet 153 blooming pieces such as grade are assembled in holding area C30.Light guide sheet 159 is fixed in back up pad 1572.
Please refer to Fig. 2 B～2C, the step continuing is to paste a frame 170 in the surface of backlight module 150.In order to clearly demonstrate, Fig. 2 B has only illustrated the top view of backlight module 150.As shown in Figure 2 B, frame 170 is pasted on to the surface of backlight module 150.In detail, frame 170 is pasted on the surface of the blooming piece of the top, is namely pasted on the surface of diffusion sheet 153.Diffusion sheet 153 has a light shielding part 154.Light shielding part 154 defines a photic zone A50 of diffusion sheet 153, and photic zone A50 corresponds to viewing area A10.Light shielding part 154 is in order to block the light 900 beyond the A50 of photic zone, so that light emitting source 151(is illustrated in Fig. 2 A) light 900 that provides is via A50Zhi viewing area, photic zone A10.The material of frame 170 has compressibility, and frame 170 is for example preferably one or more siliceous adhesive tape.The generation type of frame 170 explains as an example of a siliceous adhesive tape example in the present embodiment.Siliceous adhesive tape is pasted along the top of the photic zone A50 of diffusion sheet 153, to form frame 170.Siliceous adhesive tape only has viscosity in the side near diffusion sheet 153, in order to stick on diffusion sheet 153.The light shielding part 154 of siliceous adhesive tape in a starting point P10 along rectangle pasted around photic zone A50, returns starting point P10 to form the frame 170 of sealing rectangle.Wherein, frame 170 is pasted on outside the A50 of photic zone, for example, be to be pasted on light shielding part 154.Mode by this, avoids pasted frame 170 to produce the light line of bright dark inequality in the edge of viewing area A10.
As shown in Figure 2 C, frame 170 has the thickness H10 before compression, the surface level L0 that it defines higher than back up pad 1571.In the present embodiment, the thickness H10 of frame 170 is for example 0.6mm.
Afterwards as shown in Figure 2 D, assembling display panel 130 is in outside framework 157, wherein display panel 130 is close on frame 170, and backlight module 150, display panel 130 and the airtight in fact space A30 of frame 170 threes' formation, and this airtight in fact space A30 is contained viewing area A10.In other words, space A30 corresponds to viewing area A10, and the frontal projected area of space A30 is more than or equal to the area of viewing area A10.In detail, Polarizer 131 is Polarizer, and display panel 130 is assembled in outside framework 157 towards the mode of diffuser plate 153 with Polarizer 131.Because frame 170 has compressibility, so display panel 130 can contact back up pad 1571 and frame 170 simultaneously.Display panel 130 is arranged in back up pad 1571 so that back up pad 1571 support display panel 130 and make display panel 130 and backlight module 150 between there is a space D 30.Wherein, the thickness H10(of the frame 170 before compression is illustrated in Fig. 2 C) be greater than space D 30.Preferably, the thickness H10 of the frame 170 before compression is 1.1 times to 1.2 times of space D 30.Space D 30 is less than 0.6mm in the present embodiment.As long as before assembling display panel 130, first confirm without any foreign matter in the A30 of space.After assembling display panel 130, can guarantee to no longer include any foreign matter and be formed at the region of corresponding viewing area A10 between backlight module 150 and display panel 130.
As shown in Figure 2 E, a front frame 190 is set on Polarizer 133 finally, so that display panel 130 is fixed in accommodation space C50, and liquid crystal indicator 100 has been assembled.Liquid crystal indicator 100 after assembling, the thickness H10 ' of its compressed frame 170 is identical with space D 30 in fact.
The second embodiment
Second embodiment of the invention and the different part of the first embodiment, be the mode that frame arranges, and all the other identical parts represent no longer to repeat with identical label.
Please refer to Fig. 3, it has illustrated the schematic diagram according to the section of the liquid crystal indicator of second embodiment of the invention.Liquid crystal indicator 200 comprises display panel 130, a backlight module 250 and a frame 270.Display panel 130 has viewing area A10, and display panel 130 is arranged in outside framework 157.Backlight module 250 is arranged in outside framework 157.Frame 270 is arranged between backlight module 250 and display panel 130, and be close to backlight module 250 and display panel 130, backlight module 250, display panel 130 and frame 270 threes form airtight in fact space A20, and this airtight in fact space A20 is contained viewing area A10.
Please refer to Fig. 4 A to Fig. 4 D, it sequentially illustrates the schematic diagram of the manufacture method of the liquid crystal indicator of second embodiment of the invention.
First, as shown in Figure 4 A, provide display panel 130 and backlight module 250, the outside framework 157 of backlight module 250 has back up pad 1571 and 1572, and display panel 130 has viewing area A10(and is illustrated in Fig. 3).Wherein, backlight module 250 at least comprises light emitting source 151, diffuser plate 253 and light guide sheet 159.Light emitting source 151 is arranged at the accommodation space C10 that back up pad 1572 defines.The blooming piece that comprises diffuser plate 253 is arranged at the accommodation space C30 of definition between back up pad 1572 and back up pad 1571.
Then,, as shown in Fig. 4 B～4C, frame 270 is set on a sidewall 1571 ' of back up pad 1571.Frame 270 is preferably pasted on the sidewall 1571 ' of back up pad 1571 with the minor face of trapezium structure.For instance as shown in Figure 4 C, frame 270 is the sticking siliceous adhesive tape of side 270 ' tool, and frame 270 forms the frame 270 of sealing around stickup along the sidewall 1571 ' of back up pad 1571.Frame 270 is contact diffusion plate 253 in fact.Frame 270 has the thickness H10 before compression, the plane L0 that it defines higher than back up pad 1571.
Afterwards as shown in Figure 4 D, assembling display panel 130 is in outside framework 157, and display panel 130 is arranged at the opposite side of back up pad 1571 with respect to backlight module 250.Display panel 130 and backlight module 250 are close on frame 270, and backlight module 250, display panel 130 and the airtight in fact space A20 of frame 270 threes' formation, and this airtight in fact space A20 is contained viewing area A10.Back up pad 1571 support display panel 130 and make display panel 130 and backlight module 250 between there is space D 40.Liquid crystal indicator 200 after assembling, the thickness H11 ' of its compressed frame 270 is identical with space D 40 in fact.According to above-mentioned mode, the foreign matter of liquid crystal indicator 200 cannot enter into the space A20 of corresponding viewing area A10, therefore can guarantee the display quality of liquid crystal indicator 200.
The 3rd embodiment
Third embodiment of the invention and the different part of the second embodiment, be that frame is arranged at the mode in back up pad, and all the other identical parts represent no longer to repeat with identical label.
Please refer to Fig. 5 A and Fig. 5 B, it has sequentially illustrated the process flow diagram of the manufacture method of the liquid crystal indicator of third embodiment of the invention.Be identical with the second embodiment due to the step of backlight module 250 being set, omit its narration at this.
As shown in Figure 5A, frame 370 has compressibility, and frame 370 has a groove 371, and frame 370 is socketed on the sidewall 1571 ' of back up pad 1571 with groove 371.In detail, the cross section of frame 370 is a trapezium structure, and the minor face of trapezium structure is adjacent to groove 371, and the long limit of trapezium structure is away from groove 371.That is to say, the thickness of frame 371 is from back up pad 1571 parts outside thickening gradually.In addition, the internal diameter H50 of groove 371 equals in fact the thickness H60 of (or being slightly less than) back up pad 1571, so that frame 370 is closely socketed in back up pad 1571.The long limit of the frame 370 before compression has thickness H70.When frame 370 is socketed on after back up pad 1571, the long limit of frame 370 is contacted with diffuser plate 253.
Afterwards as shown in Figure 5 B, display panel 130 and front frame 190 are assembled to form a liquid crystal indicator 300.Display panel 130 after assembling compresses frame 370, so that have a space D 90 between display panel 130 and backlight module 250, the thickness H70(on the long limit of the frame 370 before compression is illustrated in Fig. 5 A) be greater than space D 90.Display panel 130, backlight module 250 and frame 370 threes form an airtight in fact space A70, and this airtight in fact space A70 is contained viewing area A10.
Liquid crystal disply device and its preparation method described in second embodiment of the invention and the 3rd embodiment, is arranged at frame in the back up pad of outside framework.Frame is along the sidewall setting of back up pad.According to aforesaid way and be used in conjunction with and there is compressible frame, can avoid frame and backlight module, or produce distortion between frame and display panel.For example the different phenomenons that cause diffuser plate warpage of thermal expansivity between frame and diffuser plate.
Although the Liquid crystal disply device and its preparation method of the above embodiment of the present invention, provides frame to be pasted on diffuser plate, or frame is pasted or is socketed on the sidewall of back up pad, so it is not intended to limiting the invention.Frame can utilize any form to be fixed between display panel and backlight module.As long as a compressible frame is provided, make frame, backlight module and display panel form an airtight in fact space in corresponding viewing area place, all belong to category of the present invention.
Although the frame of above-described embodiment is only in the side near diffusion sheet.But in other embodiments, frame can be in all having viscosity near the side of diffusion sheet and the side of display panel.Form an airtight space as long as seeing through frame, all do not depart from the affiliated technical scope of the present invention.
Liquid crystal disply device and its preparation method that the above embodiment of the present invention discloses, is by frame is set, and between backlight module and display panel, corresponding viewing area place forms airtight in fact space.At the follow-up manufacturing step of liquid crystal indicator, when moving and using, be originally positioned at the foreign matter in other regions of liquid crystal indicator, can not fall into airtight space, affecting backlight module provides the light to viewing area.In addition, frame has relatively soft speciality in compressibility and material hardness, produces foreign matter so can avoid the friction of liquid crystal indicator intraware.
In sum, although the present invention discloses as above with preferred embodiment, so it is not in order to limit the present invention.Persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention defines and is as the criterion with claims.
Claims (6)
1. a liquid crystal indicator, comprising:
One backlight module, comprises an outside framework and a diffusion sheet, and this outside framework has a back up pad, and this diffusion sheet has a light shielding part;
One display panel, has a viewing area; And
One frame, be arranged between this backlight module and this display panel, this frame be arranged in this back up pad and along this back up pad around, this backlight module, this display panel and this frame three form an airtight in fact space, this viewing area is contained in this airtight in fact space.
2. liquid crystal indicator as claimed in claim 1, is characterized in that, this frame has compressibility.
3. liquid crystal indicator as claimed in claim 1, is characterized in that, this back up pad is in order to support this display panel so that there is a spacing between this display panel and this backlight module, the thickness of this frame before compression is this spacing 1.1 times to 1.2 times.
4. liquid crystal indicator as claimed in claim 1, is characterized in that, the inclusive projection of this viewing area is in this airtight in fact space.
5. liquid crystal indicator as claimed in claim 1, is characterized in that, this backlight module comprises a light emitting source and a light guide sheet, and this light guide sheet is fixed in this back up pad.
6. liquid crystal indicator as claimed in claim 1, is characterized in that, this frame is the sticking siliceous adhesive tape of tool, this frame along this back up pad around stickup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079031.0A CN103792716A (en) | 2008-10-24 | 2008-10-24 | Liquid crystal display device and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079031.0A CN103792716A (en) | 2008-10-24 | 2008-10-24 | Liquid crystal display device and manufacturing method thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810175041.9A Division CN101726902B (en) | 2008-10-24 | 2008-10-24 | Liquid crystal display device and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103792716A true CN103792716A (en) | 2014-05-14 |
Family
ID=50668549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410079031.0A Pending CN103792716A (en) | 2008-10-24 | 2008-10-24 | Liquid crystal display device and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103792716A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589265A (en) * | 2016-03-17 | 2016-05-18 | 深圳市华星光电技术有限公司 | Liquid crystal displayer |
-
2008
- 2008-10-24 CN CN201410079031.0A patent/CN103792716A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589265A (en) * | 2016-03-17 | 2016-05-18 | 深圳市华星光电技术有限公司 | Liquid crystal displayer |
| WO2017156809A1 (en) * | 2016-03-17 | 2017-09-21 | 深圳市华星光电技术有限公司 | Liquid crystal display |
| US10191332B2 (en) | 2016-03-17 | 2019-01-29 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110865478B (en) | Display device | |
| TWI615656B (en) | Liquid crystal display device | |
| US8794779B2 (en) | Lighting device, display device and television receiver | |
| US20120206669A1 (en) | Display apparatus | |
| KR102302586B1 (en) | Light-Diffusing Lens and Backlight Unit and Display Device having the same | |
| CN103017043B (en) | Backlight module and display device using same | |
| US20070229726A1 (en) | Liquid crystal display device | |
| CN102713411A (en) | Lighting device, display device, and television receiver | |
| CN101726902B (en) | Liquid crystal display device and manufacturing method thereof | |
| US10634839B2 (en) | Liquid crystal display device and electronic device comprising the same | |
| KR20100080075A (en) | Prism sheet, back light unit and liquid crystal display device having thereof | |
| CN102401931A (en) | Light guide plate, backlight module and display device | |
| TWM392976U (en) | Edge-lit backlight module | |
| CN101813836A (en) | Liquid crystal display | |
| KR101591336B1 (en) | Liquid crystal display device | |
| CN103792716A (en) | Liquid crystal display device and manufacturing method thereof | |
| KR20150063783A (en) | Liquid crystal display and method for assembling the same | |
| WO2012165318A1 (en) | Illuminating apparatus, display apparatus, and television receiver | |
| KR20140006252A (en) | Lcd module associated with panel using air zero gap bonding | |
| CN104061488A (en) | Backlight module and display device | |
| KR102146829B1 (en) | Display apparatus | |
| KR101689775B1 (en) | Display device | |
| KR101649219B1 (en) | Liquid crystal display device | |
| JP2014022060A (en) | Back light device, display device, and television receiver | |
| WO2011152158A1 (en) | Liquid crystal display device and planar light source device provided to liquid crystal display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140514 |
|
| RJ01 | Rejection of invention patent application after publication |