CN200972512Y - Light plate and backlight module - Google Patents
Light plate and backlight module Download PDFInfo
- Publication number
- CN200972512Y CN200972512Y CN 200620131223 CN200620131223U CN200972512Y CN 200972512 Y CN200972512 Y CN 200972512Y CN 200620131223 CN200620131223 CN 200620131223 CN 200620131223 U CN200620131223 U CN 200620131223U CN 200972512 Y CN200972512 Y CN 200972512Y
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- CN
- China
- Prior art keywords
- light guide
- guide plate
- blooming piece
- substrate
- backlight module
- 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.)
- Expired - Fee Related
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Abstract
A light guide plate and backlight module comprises a base plate and a plurality of locating structures. The base plate is coated with an optical mask and the whole locating structure is connected with the side surface of the base plate, and the various locating structures form a groove that is embedded with a optical mask and these structures have a height difference with the base plate so that the optical mask can be configured with the light guide plate in advance so as to form a modular pattern.
Description
Technical field
This creation is about a kind of light guide plate and backlight module, refers to a kind of about blooming piece and light guide plate being the light guide plate and the backlight module of modular design especially.
Background technology
Fig. 1 is for showing the component decomposition map of a known backlit module.As shown in Figure 1, backlight module 100 is made up of the blooming piece 106 of a posting 102, a light guide plate 104 and one group of storehouse, blooming piece 106 for example can be a diffusion sheet 108, an X-axis prism brightening piece 110a, a Y-axis prism brightening piece 110b constitute, form several breach 112 on the posting 102, each blooming piece 106 equal corresponding breach 112 positions form diaphragm flange 114, in several breach 112 of inserting posting 102, by the contraposition effect of posting breach 112, blooming piece 106 levels are limited in the posting 102 with diaphragm flange 114.
Yet, this design is when the distance of the barricade end face 102a of light guide plate end face 104a and posting 102 is too small, cause the blooming piece 106 of storehouse to be difficult for assembling in light guide plate 104 slippages easily, therefore, generally can increase the distance of the barricade end face 102a of light guide plate end face 104a and posting 102, allow nargin to form one, make things convenient for the assembling of each blooming piece 106 to place, but when the space of depositing blooming piece 106 is big, 106 of each blooming pieces may be because of burr, air, factors such as slip, and can't fit tightly mutually, cause brightening piece 110a, the prism facets out-of-flatness of 110b, and problems such as generation Newton ring phenomenon.
Novel content
Therefore, the purpose of this creation is providing a kind of light guide plate and leaded light component, and it can avoid blooming piece slippage or loosening on light guide plate, and can keep the accurate location of blooming piece on light guide plate.
Another purpose of this creation is providing a kind of backlight module, and it can keep the satisfactory flatness of blooming piece after assembling.
Design according to this creation, a kind of light guide plate comprises a substrate and several location structures, be covered with at least one blooming piece on the substrate, and blooming piece has several Ka Jiao that protrudes out formation along end face, several location structures are connected in substrate example surface, each location structure and substrate have a difference in height, and both junctions form the draw-in groove of chimeric Ka Jiao, and location structure can be made of one first projection, one second projection and a flank, and this flank connects first and second projection and keeps a gap with the side surface of light guide plate.
Design by this creation, because of the side surface of light guide plate independently is provided with several location structures with draw-in groove, and this location structure is designed to have a difference in height with substrate, so when the flange of blooming piece is inserted draw-in groove, can produce firm chimeric effect, with the slippage of avoiding blooming piece or loosening, and can keep the accurate location of blooming piece on light guide plate.
Moreover, this creation provides a kind of backlight module, it comprises a posting, one reflecting plate, one light guide plate, at least one blooming piece, one backlight and a shading reflection tape, reflecting plate is placed in the bearing groove of posting, and light guide plate is stacked and placed on reflecting plate, and backlight is arranged at the distolateral of light guide plate, and blooming piece is stacked over light guide plate, and blooming piece is formed with flange with chimeric with the location structure of light guide plate, the shading reflection tape overlays the zone of the contiguous light guide plate architrave of blooming piece, contingent distortion during by the shakeouing effect and can avoid flange to insert groove fully of shading reflection tape, and can keep good optical diaphragm flatness.
Description of drawings
Fig. 1 is for showing the component decomposition map of a known light guide module.
Fig. 2 is the embodiment according to this creation, shows the synoptic diagram of light guide plate design.
Fig. 3 is the part enlarged diagram M of Fig. 2.
Fig. 4 is a side view of light guide plate shown in Figure 2.
Fig. 5 is a component decomposition map, shows that constituting this creates the assembly of a light guide module.
Fig. 6 shows the synoptic diagram after several blooming pieces are stacked over light guide plate.
Fig. 7 is the profile that A-A ' the line crosscut along Fig. 6 gets.
Fig. 8 creates the synoptic diagram of another embodiment for showing this.
Fig. 9 creates the synoptic diagram of another embodiment for showing this.
Figure 10 creates the synoptic diagram of another embodiment for showing this.
Figure 11 is a component decomposition map, shows a backlight module that comprises the design of this creation light guide plate.
Figure 12 is the plan view from above of a backlight module.
Figure 13 along B-B ' the line crosscut of Figure 12 and profile.
Symbol description
10 light guide plate, 12 substrates
18 draw-in grooves, 20 blooming pieces
22 diffusion sheets, 24 X-axis prism brightening pieces
26 Y-axis prism brightening pieces 28,28a, 28b flange
30 backlight modules, 32 postings
32a posting bearing groove 34 reflecting plates
36 backlights, 38 shading reflection tapes
42 grooves, 44 viewing areas
100 light guide modules, 102 postings
102a barricade end face 104 light guide plate
104a light guide plate end face 106 blooming pieces
112 breach, 114 diaphragm flanges
141,142 projections, 143 flanks
143a joint face 143b inclined-plane
Embodiment
Followingly follow the design of this creation of illustration with different embodiment, wherein the same components that occurs in each embodiment and icon is to represent with same label.
Fig. 2 is the embodiment according to this creation, shows the synoptic diagram of light guide plate design.As shown in Figure 2, this light guide plate 10 is made of a substrate 12 and several location structures 14 of connecting this substrate 12, substrate 12 has an exiting surface 12a, one reflecting surface 12b and several faces are located in the side surface 12c of these substrate 12 outer peripheral edges, several location structure 14 one connect stretches in this side surface 12c, each location structure 14 is preferable to have the level height that is higher than this substrate exiting surface 12a, perhaps also can be positioned at same plane and the difference in height of not having between location structure 14 and substrate exiting surface 12a, side surface 12c is formed with at least two symmetrical trips 16, and the groove of each trip 16 and a backlight module posting (not icon) is chimeric.
Fig. 3 is the part enlarged diagram M of Fig. 2, with a clear design example that shows this creation location structure 14.As shown in Figure 3, location structure 14 has two projections 141,142 and connect the flank 143 of two projections 141 and 142, projection 141 and the projection 142 interruption-like substrate-side surface 12c that are connected in, connect two projections 141, produce a gap between 142 flank 143 and substrate-side surface 12c, and two projections 141,142, flank, 12 of substrates enclose and form a draw-in groove 18, and flank 143 is provided with one and is the joint face 143a that vertical configuration is provided with exiting surface 12a, an and inclined-plane 143b, and inclined-plane 143b and joint face 143a are an angle configurations, and for two projections 141,142 and the end face of this flank 143 be connected to form to having the surface level 14a of sustained height; Please cooperate simultaneously shown in the side view of Fig. 4, the surface level 14a of location structure 14 exceeds one section vertical range d of substrate exiting surface 12a, and this projection 141, projection 142 do not limit with the kenel and the relative position of flank 143, only need to define a draw-in groove 18 and get final product.
Fig. 5 is a synoptic diagram, shows that constituting this creates the assembly of a light guide module.As shown in Figure 5, several blooming pieces 20 are stacked over the exiting surface 12a of light guide plate 10, this blooming piece 20 for example comprises a diffusion sheet 22, an X-axis prism brightening piece 24, reaches a Y-axis prism brightening piece 26, the part end face of blooming piece 20 protrudes out and forms several flanges 28, as the Ka Jiao that embeds location structure 14 draw-in grooves 18.
Fig. 6 shows the synoptic diagram after several blooming pieces 20 are stacked over light guide plate 10, and Fig. 7 is the profile that A-A ' the line crosscut along Fig. 6 gets, in order to the chimeric design of this creation blooming piece 20 and location structure 14 to be described.When each blooming piece 20 places on the light guide plate 10, each blooming piece 20 preformed flange 28 embeds the draw-in groove 18 of each location structure 14 respectively, to obtain accurate locating effect, and the inclined-plane 143b that the flank 143 of location structure 14 forms, can slip into draw-in groove 18 for flange 28 smooth-goingly, and be resisted against flank 143 belows, to obtain better diaphragm fixed effect, and the height that flank inclined-plane 143b forms does not limit, and only needs to reach smooth-goingly against the effect of flange 28 to get final product.
Moreover as shown in Figure 4, the surface level 14a of location structure exceeds the vertical range d of substrate 12 exiting surface 12a, and is identical preferable with the thickness behind several blooming piece 20 storehouses.
Extremely shown in Figure 4 as Fig. 2, this is created in the substrate 12 side surface 12c of light guide plate 10 several location structures 14 with draw-in groove 18 independently is set, and this location structure 14 has a difference in height with the substrate 12 of light guide plate 10, so when the flange 28 of blooming piece 20 is inserted draw-in groove 18, can produce firm chimeric effect, compare the known posting breach 112 that utilizes shown in Figure 1, and only can provide the design of abutment action, the firm chimeric effect of this creation can be avoided the slippage of blooming piece 20 fully or become flexible, and can keep the accurate location of blooming piece 20 on light guide plate 10, and provide blooming piece 20 and light guide plate 10 to be combined into modular design.
Moreover according to the design of this creation, distribution mode and the quantity of location structure on substrate does not limit, and visual actual demand is changed.For example, location structure 14 can be distributed in three side surfaces as shown in Figure 2, and each side surface is connected with several location structures 14; Or each side surface only connects a location structure 14 and also can as shown in Figure 8; Moreover as shown in Figure 9, several location structures 14 are not defined as and are distributed on three side surfaces, only are distributed on two side surfaces and can provide chimeric effect equally.
On the other hand, as shown in Figure 5, only need the position of corresponding draw-in groove 18 to get final product as the formation position of flange 28 on blooming piece 20 of Ka Jiao, its distribution mode and quantity do not limit.For example, diffusion sheet 22, X-axis prism brightening piece 24, and the end face of Y-axis prism brightening piece 26 1 sides, do not need to form simultaneously a plurality of flanges 28 of all location structures 14 of counterpart substrate 12 1 sides, alternately form flange 28 and can be shown on the same side of different optical diaphragm as drawing; Perhaps, as shown in Figure 8, also can be only form three flanges 28 in outermost Y-axis prism brightening piece 26, after outermost blooming piece 20 and location structure 14 were chimeric, folder was pulled and can be obtained fixed effect in other blooming piece 20 (as diffusion sheet 22 and X-axis prism brightening piece 24) wherein; Moreover as shown in figure 10, flange 28a, the 28b generation type of blooming piece do not limit, for example can forming it, to insert the face width degree identical with the width essence of draw-in groove 18, in order to do the flange 28a that obtains chimeric effect, collocation simultaneously forms that to insert the face width degree less and flange 28b against locating effect is provided, certainly, the quantity of blooming piece 20 does not limit, and visual actual demand is changed.
Figure 11 is a component decomposition map, shows a backlight module 30 that comprises the design of this creation light guide plate.As shown in figure 11, backlight module 30 comprises a posting 32, one reflecting plate 34, one light guide plate 10, at least one blooming piece 20, one backlight 36, be a polished rod (light bar) that becomes by many light emitting diode combined for example at present embodiment, an and anti-dazzling screen, this anti-dazzling screen can be a shading reflection tape 38, reflecting plate 34 places in the bearing groove 32a of posting 32, light guide plate 10 is stacked and placed on reflecting plate 34, and the trip 16 of light guide plate 10 is embedded in the groove 42 of posting 32, for example the backlight 36 that constitutes of light emitting diode is arranged at the distolateral of light guide plate 10, and blooming piece 20 is stacked over light guide plate 10, blooming piece 20 is formed with flange 28 with chimeric with the location structure 14 of light guide plate 10, shading reflection tape 38 overlays the zone of blooming piece 20 contiguous these light guide plate 10 architraves, to cover the non-display area of a display panels (not icon), the backlight module 30 that assembling is finished is shown in the plan view from above of Figure 12, shading reflection tape 38 is around the light guide plate 10 architrave zones of display panels viewing area 44 peripheries, therefore, shown in B-B ' the line crosscut amplification profile that Figure 13 edge is Figure 12, when flange 28 is inserted groove 18, even have because of inserting the situation that angular relationship produces a little deflection deformation, this deflection deformation also can be in backlight module 30 assembling process, the effect of shakeouing by shading reflection tape 38 is eliminated fully, keeps good optical diaphragm flatness.
The above only is an illustrative, but not is restricted person.Any spirit and category that does not break away from this creation, and to its equivalent modifications of carrying out or change, all should be contained in the claim, but not be defined in the above embodiments.
Claims (10)
1. light guide plate is characterized in that:
One substrate, two big faces of this substrate form an exiting surface and a reflecting surface respectively, and are located in this substrate periphery and form several side surface; And
At least two location structures are connected in this side surface, and respectively this exiting surface of this location structure and this substrate has a difference in height, and both junctions form one can chimeric blooming piece flange draw-in groove.
2. light guide plate as claimed in claim 1 is characterized in that, this location structure comprises:
One first projection and one second projection, two projections be interval one spacing respectively, and is connected in the side surface of this light guide plate; And
One flank, this flank connect this first and this second projection, and have a gap between this flank and this light guide plate side surface.
3. light guide plate as claimed in claim 2 is characterized in that, this flank have one with this exiting surface be the vertical configuration setting joint face, and one be the inclined-plane of an angle configurations with this joint face.
4. light guide plate as claimed in claim 1 is characterized in that, these substrate at least two side surfaces are formed with this location structure.
5. light guide plate as claimed in claim 1 is characterized in that, this surface, substrate the same side is formed with several this location structures.
6. a backlight module is characterized in that, comprises:
One posting, this posting is provided with a bearing groove;
One reflecting plate is placed in the bearing groove of this posting;
One light guide plate, be placed in this reflecting plate surface in this bearing groove, several location structures that this light guide plate is provided with a substrate and forms in this substrate-side surface, respectively this exiting surface of this location structure and this substrate has a difference in height, and both junctions form a draw-in groove;
One backlight is arranged at a side of this light guide plate; And
At least one blooming piece is arranged at the one side that this light guide plate differs from this reflecting plate, and this blooming piece is formed with at least one Ka Jiao, and this Ka Jiao is embedded in this relative draw-in groove.
7. backlight module as claimed in claim 6 is characterized in that, this location structure comprises:
One first and one second projection, two projections interval one spacing respectively are connected in this light guide plate side surface; And
One flank, connect this first and this second projection, and have a gap between this flank and this light guide plate side surface.
8. backlight module as claimed in claim 6 is characterized in that at least one blooming piece has several Ka Jiao, and this blooming piece that is formed with these several Ka Jiao comprises and is arranged at outermost blooming piece.
9. backlight module as claimed in claim 6 is characterized in that, these several Ka Jiao are distributed in the not homonymy of this blooming piece.
10. backlight module as claimed in claim 6 is characterized in that, the width that the Ka Jiao of this blooming piece inserts face is identical with the draw-in groove width of this location structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620131223 CN200972512Y (en) | 2006-08-18 | 2006-08-18 | Light plate and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620131223 CN200972512Y (en) | 2006-08-18 | 2006-08-18 | Light plate and backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200972512Y true CN200972512Y (en) | 2007-11-07 |
Family
ID=38883767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620131223 Expired - Fee Related CN200972512Y (en) | 2006-08-18 | 2006-08-18 | Light plate and backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200972512Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494277A (en) * | 2011-12-05 | 2012-06-13 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display (LCD) device thereof |
| CN102865508A (en) * | 2012-09-07 | 2013-01-09 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display of backlight module |
| WO2013007080A1 (en) * | 2011-07-14 | 2013-01-17 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device using same |
| WO2014043928A1 (en) * | 2012-09-18 | 2014-03-27 | 深圳市华星光电技术有限公司 | Backlight module and display panel |
| CN104456426A (en) * | 2014-11-17 | 2015-03-25 | 深圳市华星光电技术有限公司 | Light guide plate, backlight module and displayer |
| CN104819440A (en) * | 2015-05-07 | 2015-08-05 | 武汉华星光电技术有限公司 | Light guide plate, manufacturing method for light guide plate and backlight module |
| CN105044977A (en) * | 2015-09-09 | 2015-11-11 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| TWI548839B (en) * | 2011-12-27 | 2016-09-11 | 鴻海精密工業股份有限公司 | Backlight module |
| WO2017075968A1 (en) * | 2015-11-05 | 2017-05-11 | Boe Technology Group Co., Ltd. | Backlight assembly and display apparatus |
| CN106918943A (en) * | 2015-12-24 | 2017-07-04 | 乐金显示有限公司 | Optical sheet and the display device with the optical sheet |
| CN110807985A (en) * | 2019-10-10 | 2020-02-18 | 福建华佳彩有限公司 | Display module |
| US11003208B2 (en) | 2018-12-18 | 2021-05-11 | Apple Inc. | Display having optical films with bent alignment structures |
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2006
- 2006-08-18 CN CN 200620131223 patent/CN200972512Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013007080A1 (en) * | 2011-07-14 | 2013-01-17 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device using same |
| WO2013082769A1 (en) * | 2011-12-05 | 2013-06-13 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device thereof |
| US8937693B2 (en) | 2011-12-05 | 2015-01-20 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Back light module and liquid crystal display thereof |
| CN102494277A (en) * | 2011-12-05 | 2012-06-13 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display (LCD) device thereof |
| TWI548839B (en) * | 2011-12-27 | 2016-09-11 | 鴻海精密工業股份有限公司 | Backlight module |
| CN102865508A (en) * | 2012-09-07 | 2013-01-09 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display of backlight module |
| WO2014036746A1 (en) * | 2012-09-07 | 2014-03-13 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display thereof |
| WO2014043928A1 (en) * | 2012-09-18 | 2014-03-27 | 深圳市华星光电技术有限公司 | Backlight module and display panel |
| WO2016078129A1 (en) * | 2014-11-17 | 2016-05-26 | 深圳市华星光电技术有限公司 | Light guide plate, backlight module and display |
| CN104456426A (en) * | 2014-11-17 | 2015-03-25 | 深圳市华星光电技术有限公司 | Light guide plate, backlight module and displayer |
| CN104819440A (en) * | 2015-05-07 | 2015-08-05 | 武汉华星光电技术有限公司 | Light guide plate, manufacturing method for light guide plate and backlight module |
| CN104819440B (en) * | 2015-05-07 | 2017-12-05 | 武汉华星光电技术有限公司 | Light guide plate and preparation method thereof, backlight module |
| CN105044977A (en) * | 2015-09-09 | 2015-11-11 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| WO2017041313A1 (en) * | 2015-09-09 | 2017-03-16 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| WO2017075968A1 (en) * | 2015-11-05 | 2017-05-11 | Boe Technology Group Co., Ltd. | Backlight assembly and display apparatus |
| US10557985B2 (en) | 2015-11-05 | 2020-02-11 | Boe Technology Group Co., Ltd. | Backlight assembly and display apparatus |
| CN106918943A (en) * | 2015-12-24 | 2017-07-04 | 乐金显示有限公司 | Optical sheet and the display device with the optical sheet |
| US11003208B2 (en) | 2018-12-18 | 2021-05-11 | Apple Inc. | Display having optical films with bent alignment structures |
| CN110807985A (en) * | 2019-10-10 | 2020-02-18 | 福建华佳彩有限公司 | Display module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Dongguan Master LCD Monitors Co., Ltd. Assignor: Shenghua Science and Technology Co., Ltd. Contract record no.: 2010990000311 Denomination of utility model: Light guide plate and backlight module Granted publication date: 20071107 License type: Exclusive License Record date: 20100527 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071107 Termination date: 20130818 |