CN104235689A - Prepositive surface light source, manufacturing method and display device comprising prepositive surface light source - Google Patents
Prepositive surface light source, manufacturing method and display device comprising prepositive surface light source Download PDFInfo
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- CN104235689A CN104235689A CN201410451951.0A CN201410451951A CN104235689A CN 104235689 A CN104235689 A CN 104235689A CN 201410451951 A CN201410451951 A CN 201410451951A CN 104235689 A CN104235689 A CN 104235689A
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- guide plate
- light guide
- light source
- area source
- preposition
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- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000012790 adhesive layer Substances 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000005530 etching Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005286 illumination Methods 0.000 abstract description 6
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 101100117236 Drosophila melanogaster speck gene Proteins 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The invention discloses a prepositive surface light source, which comprises a light guide plate and a light source arranged at one side of the light guide plate, wherein the light source comprises a luminous body and a circuit board electrically connected with the luminous body, a light guide mesh point is arranged on the light guide plate, the light source is arranged at the inner side of the light guide plate through a first adhesive layer for forming a light source region, a reflection film is arranged in a buffer region arranged at the inner side of the light guide plate, and a light shielding film is also arranged outside the luminous region arranged at the outer side of the light guide plate through the first adhesive layer. The invention also discloses a display device comprising the prepositive surface light source. The display device comprises the prepositive surface light source, and in addition, the prepositive surface light source is pasted on the front side of the display device through a second adhesive layer. Through the arrangement of the prepositive surface light source, any other light sources do not need to be added, and the uniform display illumination can be provided at the front side of the display device, so the environment light ray restriction is avoided, and the original display effect of a product cannot be lost.
Description
Technical field
The present invention relates to a kind of preposition area source and preparation method thereof, and a kind of display unit containing this preposition area source, belong to Display Technique field.
Background technology
In order to realize certain object (as: low-power consumption demand, simulating nature light reflective display etc.) and the not luminous lighttight display product of the class that has been born itself, as: bistable state LCD display.This series products, due to the characteristic restriction of itself, can not provide display light source by the mode crossing backlight, but need could realize the good display effect of screen by the external light source such as reflects natural light or light.This causes this type of display product, when by day or can only have extra lighting source, could realize display, and when dark surrounds or gauge without light source, can not realize good display.
For making this series products still can realize good display when dark surrounds or gauge without light source, usually need before display screen, arrange preposition area source.Traditional settling mode is, adds LED illumination at display screen peripheral.Adopt this kind of mode, although can solve the problem of display lighting, the position that there is the fervent LED of defect of illumination unevenness has speck.This kind of method, although the restriction that can solve environment for use, also makes product lose original display effect.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of preposition area source that can provide even display lighting and preparation method thereof is provided, another object of the present invention is to provide a kind of display unit comprising this preposition area source.
For achieving the above object, the present invention is by the following technical solutions:
A kind of preposition area source, comprise light guide plate and be located at the light source of light guide plate side, the circuit board that described light source comprises illuminator and is electrically connected with it, described light guide plate is provided with guide-lighting site, described light source is located at the formation light source region, inner side of light guide plate by the first adhesive layer, be provided with reflectance coating in buffering area inside described light guide plate, outside the luminous zone, outside of light guide plate, be also provided with photomask by the first adhesive layer.
Wherein: the diameter of described light guide plate is 10 μm ~ 50 μm, and the degree of depth is 10 ~ 30 μm;
Described illuminator is LED;
Described circuit board is flexible PCB;
Described first adhesive layer is layers of two-sided.
Another object of the present invention, a kind of manufacture method of preposition area source as above, comprises the following steps:
1) mode of laser-induced thermal etching is used to form the guide-lighting site of micron order size on the surface of light guide plate;
2) multiple illuminator is fitted on circuit board by the mode of surface-assembled form lamp bar;
3) by step 2) in obtained lamp bar fit in formation light source region, light guide plate side by the first adhesive;
4) the place laminating last layer photomask outside the lateral surface luminous zone of light guide plate, sticks reflectance coating, obtains described preposition area source in the inner side buffering area of light guide plate.
Preferably: in described light source region, effective irradiating angle superposition crosspoint of adjacent two illuminators is in and is irradiated outside formed luminous zone by illuminator.
Another object of the present invention, a kind of display unit containing preposition area source, comprise preposition area source as above, and described preposition area source fits in the front of display unit by the second adhesive layer.
Preferably: described display unit is bistable state LCD display; Described second adhesive layer is OCA glue layer or OCR glue layer.
Beneficial effect of the present invention is, preposition area source of the present invention is fitted in the front of neither luminous lighttight display unit again itself, without the need to adding other light source, uniform display lighting can be provided in the front of display unit, thus be no longer subject to the restriction of ambient light, do not lose again the original display effect of product.
Accompanying drawing explanation
Fig. 1 shows the structural representation of the display unit comprising preposition area source described in the present invention;
Fig. 2 shows the structural representation of preposition area source described in the present invention;
Fig. 3 shows the partial enlarged drawing at A place in Fig. 2;
Fig. 4 shows the partial enlarged drawing at B place in Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
As shown in Figure 1, the display unit comprising preposition area source of the present invention, comprise display unit 1 and fit in the preposition area source 2 in this display unit 1 front, wherein: described display unit 1 can be any equipment with Presentation Function such as bistable state LCD display, Electronic Paper, liquid crystal display, preferred bistable state LCD display in the present invention, as shown in Figures 2 to 4, described preposition area source 2 comprises light guide plate 25 and is located at the light source of light guide plate 25 side, in the present invention, described light guide plate 25 by the high PC plastics of optical transmittance or PMMA plastics injection molded, and its surface is provided with the guide-lighting site of micron order by the mode of laser-induced thermal etching, described light source comprises illuminator 22 and coupled, for the circuit board 21 of its power supply, and described light source pastes the formation light source region, inner side being fixed on light guide plate 25 by the first adhesive layer 24, the inner side of described light guide plate 25, the buffering area 11 of close display unit 1 is (as shown in frame empty in Fig. 1, that is: the region between light source region and display unit 1) in be provided with reflectance coating 23, with the light that reflection source sends, the lateral surface (that is: that relative with display unit 1 side) of light guide plate 25, light source region is irradiated the luminous zone 10 (that is: the illuminator of light source region is radiated at the light-emitting zone that display unit 1 is formed) formed and is also adhesively fixed with photomask 26 by the first adhesive layer 24 outward.Further, in the present invention, described illuminator 22 is LED, and described circuit board 21 is FPC flexible PCB, and described first adhesive layer 24 is layers of two-sided.Described preposition area source 2 fits in the front of display unit 1 by the second adhesive layer 3, and in the present invention, described second adhesive layer 3 is OCA glue layer or OCR glue layer preferably.
The preparation method of the present invention's preposition area source as above, comprises the following steps:
1) form the guide-lighting site of micron order size at the medial surface (that is: near the one side of display unit) of light guide plate 25 by the mode of laser-induced thermal etching, preferably, the diameter of described guide-lighting site is 10 μm ~ 50 μm, the site degree of depth is 10 ~ 30 μm, described light guide plate is processed by the mode of injection mo(u)lding with the high PC plastics of optical transmittance or PMMA plastics, light transmittance can reach more than 87%, and translucent effect is good;
2) fitted on circuit board 21 by the mode of surface-assembled (SMT) by multiple illuminator 22 and form lamp bar, wherein, described illuminator 22 is LED preferably, described circuit board 21 preferred flexible FPC circuit board;
3) by step 2) in obtained lamp bar fitted in inside light guide plate 25 by the first adhesive and form light source region, the light that in light source region, on lamp bar, illuminator 22 sends is radiated in display unit 1 and forms luminous zone 10 as shown in Figure 1, wherein, according to effective illumination angle of selected illuminator 22, after illuminator on lamp bar is arranged, in light source region, effective irradiating angle superposition crosspoint 220 of adjacent two illuminators 22 is in outside luminous zone 10, and described first adhesive can be double faced adhesive tape;
4) by the place laminating last layer photomask 26 of the first adhesive outside the lateral surface luminous zone of light guide plate 25, in the buffering area 11 of display unit 1 side, reflectance coating 23 is sticked in light source region, obtain preposition area source of the present invention, wherein, shown reflectance coating 23 region is preferably from light guide plate outer side edges to the position apart from limit, luminous zone 1mm, not affect the laminating of preposition area source and display unit, do not affect premised on illumination effect, also can adjust the distance of reflectance coating to edge, luminous zone according to actual illumination effect.
Under vacuum, by OCA glue or OCR glue, above-mentioned obtained preposition area source is fitted in the front of display unit as LCD display, obtain the display unit containing preposition area source of the present invention.
Preposition area source ring of the present invention is fitted in the front of neither luminous lighttight display unit again itself, without the need to adding other any light source, uniform display lighting can be provided in the front of display unit, thus be no longer subject to the restriction of ambient light, do not lose again the original display effect of product.
The present invention has carried out detailed explanation by above-mentioned detailed description of the invention, but protection scope of the present invention is not limited thereto.Namely all equivalences done according to the content of the present patent application the scope of the claims change and modify, and all should belong to technology category of the present invention.
Claims (9)
1. a preposition area source, comprise light guide plate and be located at the light source of light guide plate side, it is characterized in that: the circuit board that described light source comprises illuminator and is electrically connected with it, described light guide plate is provided with guide-lighting site, described light source is located at the formation light source region, inner side of light guide plate by the first adhesive layer, be provided with reflectance coating in buffering area inside described light guide plate, outside the luminous zone, outside of light guide plate, be also provided with photomask by the first adhesive layer.
2. preposition area source according to claim 1, is characterized in that: the diameter of described light guide plate is 10 μm ~ 50 μm, and the degree of depth is 10 ~ 30 μm.
3. preposition area source according to claim 1, is characterized in that: described illuminator is LED.
4. preposition area source according to claim 1, is characterized in that: described circuit board is flexible PCB.
5. preposition area source according to claim 1, is characterized in that: described first adhesive layer is layers of two-sided.
6. a manufacture method for the preposition area source as described in claim 1 to 5 any one, is characterized in that: comprise the following steps:
1) mode of laser-induced thermal etching is used to form the guide-lighting site of micron order size on the surface of light guide plate;
2) multiple illuminator is fitted on circuit board by the mode of surface-assembled form lamp bar;
3) by step 2) in obtained lamp bar fit in formation light source region, light guide plate side by the first adhesive;
4) the place laminating last layer photomask outside the lateral surface luminous zone of light guide plate, sticks reflectance coating, obtains described preposition area source in the inner side buffering area of light guide plate.
7. manufacture method according to claim 6, is characterized in that: in described light source region, effective irradiating angle superposition crosspoint of adjacent two illuminators is in and is irradiated outside formed luminous zone by illuminator.
8. the display unit containing preposition area source, it is characterized in that: comprise the preposition area source described in claim 1 to 5 any one, and described preposition area source fits in the front of display unit by the second adhesive layer.
9. display unit according to claim 8, is characterized in that: described display unit is bistable state LCD display; Described second adhesive layer is OCA glue layer or OCR glue layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410451951.0A CN104235689A (en) | 2014-09-05 | 2014-09-05 | Prepositive surface light source, manufacturing method and display device comprising prepositive surface light source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410451951.0A CN104235689A (en) | 2014-09-05 | 2014-09-05 | Prepositive surface light source, manufacturing method and display device comprising prepositive surface light source |
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| CN104235689A true CN104235689A (en) | 2014-12-24 |
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| CN201410451951.0A Pending CN104235689A (en) | 2014-09-05 | 2014-09-05 | Prepositive surface light source, manufacturing method and display device comprising prepositive surface light source |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104834113A (en) * | 2015-04-29 | 2015-08-12 | 武汉华星光电技术有限公司 | Narrow-frame liquid crystal display module |
| CN106292044A (en) * | 2015-06-01 | 2017-01-04 | 凌晖科技股份有限公司 | Double-sided display |
| CN106292059A (en) * | 2015-12-15 | 2017-01-04 | 宋义 | A kind of luminous liquid crystal panel, liquid crystal display device and display terminal |
| CN106292060A (en) * | 2015-12-15 | 2017-01-04 | 宋义 | A kind of luminous liquid crystal panel, liquid crystal display device and foreground light source of display terminal |
| CN106555949A (en) * | 2015-09-23 | 2017-04-05 | 元太科技工业股份有限公司 | Front light module and display module |
| CN109961692A (en) * | 2017-12-26 | 2019-07-02 | 昆山维信诺科技有限公司 | Flexible display device and preparation method thereof |
| CN110750013A (en) * | 2019-11-29 | 2020-02-04 | 深圳市金泰坦科技有限公司 | Display screen, front light-emitting device and manufacturing method |
| CN111640370A (en) * | 2020-06-29 | 2020-09-08 | 京东方科技集团股份有限公司 | Bonding structure, display device, and bonding method for display device |
| WO2021102964A1 (en) * | 2019-11-29 | 2021-06-03 | 深圳市金泰坦科技有限公司 | Display screen, front-mounted light-emitting device, and manufacturing method |
| CN115602074A (en) * | 2021-07-07 | 2023-01-13 | 芜湖美的厨卫电器制造有限公司（Cn） | Display device, processing technology of display device and electrical equipment |
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| CN204114726U (en) * | 2014-09-05 | 2015-01-21 | 深圳晶华显示器材有限公司 | Preposition area source and the display unit containing this preposition area source |
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Patent Citations (5)
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| WO2009145319A1 (en) * | 2008-05-29 | 2009-12-03 | 京セラ株式会社 | Light source device and display unit equipped with light source device |
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| CN102537754A (en) * | 2010-12-14 | 2012-07-04 | 上海蓝光科技有限公司 | Sidelight type backlight source module |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104834113B (en) * | 2015-04-29 | 2018-01-16 | 武汉华星光电技术有限公司 | A kind of narrow frame liquid crystal display die set |
| CN104834113A (en) * | 2015-04-29 | 2015-08-12 | 武汉华星光电技术有限公司 | Narrow-frame liquid crystal display module |
| CN106292044A (en) * | 2015-06-01 | 2017-01-04 | 凌晖科技股份有限公司 | Double-sided display |
| CN106555949B (en) * | 2015-09-23 | 2019-09-10 | 元太科技工业股份有限公司 | front light module and display module |
| CN106555949A (en) * | 2015-09-23 | 2017-04-05 | 元太科技工业股份有限公司 | Front light module and display module |
| CN106292060B (en) * | 2015-12-15 | 2020-04-07 | 宋义 | Luminous liquid crystal panel, liquid crystal display device and foreground light source of display terminal |
| CN106292060A (en) * | 2015-12-15 | 2017-01-04 | 宋义 | A kind of luminous liquid crystal panel, liquid crystal display device and foreground light source of display terminal |
| CN106292059A (en) * | 2015-12-15 | 2017-01-04 | 宋义 | A kind of luminous liquid crystal panel, liquid crystal display device and display terminal |
| CN109961692A (en) * | 2017-12-26 | 2019-07-02 | 昆山维信诺科技有限公司 | Flexible display device and preparation method thereof |
| CN110750013A (en) * | 2019-11-29 | 2020-02-04 | 深圳市金泰坦科技有限公司 | Display screen, front light-emitting device and manufacturing method |
| WO2021102964A1 (en) * | 2019-11-29 | 2021-06-03 | 深圳市金泰坦科技有限公司 | Display screen, front-mounted light-emitting device, and manufacturing method |
| CN111640370A (en) * | 2020-06-29 | 2020-09-08 | 京东方科技集团股份有限公司 | Bonding structure, display device, and bonding method for display device |
| CN115602074A (en) * | 2021-07-07 | 2023-01-13 | 芜湖美的厨卫电器制造有限公司（Cn） | Display device, processing technology of display device and electrical equipment |
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Application publication date: 20141224 |