CN1971377A - Backlight module and display device using the same - Google Patents
Backlight module and display device using the same Download PDFInfo
- Publication number
- CN1971377A CN1971377A CN 200510101797 CN200510101797A CN1971377A CN 1971377 A CN1971377 A CN 1971377A CN 200510101797 CN200510101797 CN 200510101797 CN 200510101797 A CN200510101797 A CN 200510101797A CN 1971377 A CN1971377 A CN 1971377A
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- China
- Prior art keywords
- acting surface
- guide plate
- fixture block
- light guide
- lead
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Abstract
The invention relates to an apheliotropic mold train and a liquid crystal display device adopted the apheliotropic mold train. The apheliotropic mold train includes a light conducting plate and a light source equipped with wires, the light conducting plate contains a noumenon, the noumenon includes a flank and a light-out surface, the light-out surface is adjacent to the flank, the wires are set near the flank, the light conducting plate contains at least one holding block extended from the flank, the thickness of the holding block is smaller than the light conducting plate, part of the wires is located in the space formed by the flank and the holding block. At the same time, the invention also provides a display device using the apheliotropic mold train. The structure makes the apheliotropic mold train more compact and easy to assemble.
Description
[technical field]
The present invention relates to a kind of module backlight and use the display device of this module backlight.
[background technology]
Liquid crystal display is the image display format that generally adopts in present electronics or the information industry, because the liquid crystal itself in the panel of LCD is not had a characteristics of luminescence, thereby, for reaching display effect, need to rely on a module backlight to come luminous demonstration, this module backlight generally includes a light guide plate and a light source, and is used in PDA(Personal Digital Assistant), monitor displaies such as (Monitor).
Usually, the light source of module backlight need use external power supply, so, in response to the compact development trend of modern electronic product, in module assembling process backlight, need the excellent in design structure, rationally utilize spatial arrangement light source lead.
The module backlight that a kind of prior art disclosed as shown in Figure 1.This module 1 backlight comprises the light source 10 and a glue frame 13 of a light guide plate 11, a tool light source lead 12.
Seeing also Fig. 2, is that module backlight 1 shown in Figure 1 is along II-II line cut-open view.This light guide plate 11 has one first side 111 and an exiting surface 112, and it is L shaped that the cross section of this glue frame 13 is an inversion.
This glue frame 13 is accommodated this light guide plate 11, and pushes down this exiting surface 112, and first side 111 of the medial surface of this glue frame 13 and this light guide plate 11 constitutes a containing cavity, and this light source lead 12 is arranged in this containing cavity.When this glue frame 13 was accommodated this light guide plate 11, exiting surface 112 marginal portions of the inside edge of glue frame 13 and this light guide plate 11 were overlapping.
In this kind module 1 structure backlight, because this light source lead 12 is arranged on this 111 outsides, first side, so the containing cavity that these glue frame 13 inside surfaces and this first side 111 surround must have certain width to hold this light source lead 12.Obviously, this light source lead 12 is located at this 111 outsides, first side, makes that entire aphototropism mould 1 volume is bigger; Simultaneously, because this light source lead 12 is a flexible material,, influence the assembler operation so in assembling process, light source lead 12 is not easy to be seated in the outside of this first side 111.
[summary of the invention]
Assemble inconvenience at random the causing of lead of avoiding light source, be necessary to provide a kind of module backlight and display device of the light source lead of can compact arranging.
A kind of module backlight, it comprises that a light guide plate and has the light source of lead, this light guide plate comprises a body, this body comprises a side and an exiting surface, this exiting surface is adjacent with this side, and this lead is provided with near this side, and this light guide plate also comprises extended at least one fixture block from this side, the thickness of this fixture block is less than the thickness of this light guide plate, and the part of this lead is arranged in the space that this side and this fixture block surround.
A kind of display device, it comprises that a light guide plate, has the light source and a display panel of lead, this light guide plate comprises a body, this body comprises a side and an exiting surface, this exiting surface is adjacent with this side, and this lead is provided with near this side, and this light guide plate also comprises extended at least one fixture block from this side, the part of this lead is arranged in the space that this side and this fixture block surround, this display panel and the overlapping setting of this light guide plate.
Compared to prior art, in this kind back light module unit structure design, the light source lead is arranged near light guide plate more, avoid that the light source lead is scattered in the assembling process, make the entire aphototropism mould structure compact more, simultaneously ease of assembly.
Compared to prior art, in the structural design of this kind display device, the light source lead is arranged near light guide plate more, avoid that the light source lead is scattered in the assembling process, make whole display device structure compact more, easy to assembly, whole display device is smaller and more exquisite.
[description of drawings]
Fig. 1 is a kind of prior art module assembling backlight schematic perspective view.
Fig. 2 is that module backlight shown in Figure 1 is along II-II line sectional view.
Fig. 3 is the perspective exploded view of display device first embodiment of the present invention.
Fig. 4 is light guide plate shown in Figure 3 and the three-dimensional assembling of light source synoptic diagram.
Fig. 5 is the three-dimensional assembling of a display device shown in Figure 3 synoptic diagram.
Fig. 6 is that display device shown in Figure 5 is along VI-VI line sectional view.
Fig. 7 is the perspective exploded view of display device second embodiment of the present invention.
Fig. 8 is that display device shown in Figure 7 is along VIII-VIII line sectional view.
[embodiment]
See also Fig. 3, the display device first embodiment perspective exploded view of the present invention.This display device 2 comprises light source 20, a glue frame 23 and a display panel 24 of a light guide plate 21, a tool lead 22.In this display device 2, this light source 20 is L shaped cold-cathode fluorescence lamp.
This light guide plate 21 is a flat board, comprises a body 211 and four fixture blocks 212.This body 211 has an exiting surface 2111, two first sides 2112 and two incidence surfaces 2113, and the upper surface of this light guide plate 21 is an exiting surface 2111, and two adjacent sides of this flat board are incidence surface 2113, and the two adjacent sides in addition of this flat board are first side 2112; This fixture block 212 is arranged on this first side 2112.
See also Fig. 4, be this light guide plate 21 and light source 20 assembling stereograms, this light source 20 is arranged on this body 211 incidence surfaces 2113 outsides, and lead 22 is arranged on 2112 outsides, first side of this light guide plate 21, this lead 22 is provided with near this first side 2112, and a bottom surface of this fixture block 212 of butt.
See also Fig. 5 again, this glue frame 23 covers assembly drawing shown in Figure 4, and first side 2112 of these glue frame 23 madial walls and this fixture block 212 and this body 211 forms a containing cavity, and this light source lead 22 is housed in this containing cavity.
Seeing also Fig. 6, is the local amplification profile synoptic diagram of this display device 2.This fixture block 212 is to be stretched out by this first side 2112 to form, and this fixture block 212 comprises one first acting surface 2121, one second acting surface 2122 and one the 3rd acting surface 2123.Wherein this first acting surface 2121 and this exiting surface 2111 are in same plane, in this fixture block 212, these first acting surface, 2121 facing surfaces are the 3rd acting surface 2123, this second acting surface 2122 connects this first acting surface 2121 and the 3rd acting surface 2123, and be parallel to first side 2112 adjacent with this fixture block 212, these fixture block 212 cross sections are rectangular, and the integral thickness of this fixture block 212 is less than the integral thickness of this light guide plate 21.These display panel 24 folded being located on this light guide plate 21.
After assembling is finished, this glue frame 23 covers this first side 2112 and this fixture block 212, the inside surface of this glue frame 23 is connected to the first surface 2121 and second acting surface 2122 of this fixture block 212, and the inside surface of this first side 2112, the 3rd acting surface 2123 and this glue frame 23 surrounds a ㄇ shape containing cavity.This light source lead 22 is contained in this containing cavity, is adjacent to this first side 2112 and the 3rd acting surface 2123.
When this glue frame 23 covers these light guide plate 21 peripheries, overlapping with these exiting surface 2111 peripheral parts, avoid light to release from the gap between light guide plate 21 and this glue frame 23, influence the picture display quality.
In the assembling process, be to improve light utilization, in these body 211 first sides 2112 and also the be sticked optical thin film of a tool reflection function of exiting surface 2111 opposite sides, when these module 2 work backlight, because the obstruct of reflection diaphragm, the influence that 22 pairs of light of this lead absorb is less.
In another structure of this embodiment, the body 211 of this light guide plate 21 is not limited to plate shaped, more can be wedge shape, V-arrangement, Λ shape etc., and its exiting surface 2111 also is not limited to rectangle, more can be polygon, camber line shape etc.
In another structure of this embodiment, these fixture block 212 quantity are not limited to four, can be arranged at this first side 2112 for the fixture block 212 of other quantity.
Compared to prior art, light source lead 22 is located at the 3rd acting surface 2123 times, under the constant situation of light guide plate 21 integral width, whole light source lead 22 location guide tabula rasas 21 directions are offset, be arranged on this fixture block 212 times, can not increase entire aphototropism mould 2 volumes like this because of light source lead 22.In assembling process, this fixture block 212 supports this glue frame 23, and both cooperatively interact, and avoid light to leak, and simultaneously, because of the flexible material of this light source lead 22 for being scattered easily, this fixture block 212 can avoid this light source lead 22 to be scattered.
Seeing also Fig. 7, Fig. 8 again, is the solid assembling synoptic diagram of display device second embodiment of the present invention and along VIII-VIII line sectional view.In this display device 3, comprise a light guide plate 31, the light source of one tool light source lead 32 (figure does not show), an one glue frame 33 and a display panel 34, this light guide plate 31 comprises a body 311 and a fixture block 312 equally, be with display device 2 differences: first acting surface 3121 of this fixture block 312 and exiting surface 3111 are not at grade, but be offset to the 3rd acting surface 3123 directions, form a step with this exiting surface 3111, the inside surface of this glue frame 33 is connected to this first acting surface 3121 and second acting surface 3122 equally, and this light source lead 32 is still accommodated and this first side 3112, in the cavity that the 3rd acting surface 3123 and glue frame 33 are surrounded.
Claims (10)
1. module backlight, it comprises that a light guide plate and has the light source of lead, this light guide plate comprises a body, this body comprises a side and an exiting surface, this exiting surface is adjacent with this side, and this lead is provided with near this side, and it is characterized in that: this light guide plate also comprises extended at least one fixture block from this side, the thickness of this fixture block is less than the thickness of this light guide plate, and the part of this lead is arranged in the space that this side and this fixture block surround.
2. module backlight as claimed in claim 1, it is characterized in that: this fixture block has one first acting surface, one second acting surface and three acting surface relative with first acting surface, this first acting surface and the 3rd acting surface are one group of opposite planar, this second acting surface connects this first acting surface and the 3rd acting surface, and this lead part is adjacent with the 3rd acting surface and this side of this fixture block.
3. module backlight as claimed in claim 2 is characterized in that: this exiting surface and this first acting surface are at grade.
4. module backlight as claimed in claim 2 is characterized in that: this exiting surface and this first effect form a step.
5. module backlight as claimed in claim 2 is characterized in that: further comprise a glue frame, this glue frame is connected to first acting surface and second acting surface of this fixture block and surrounds this fixture block and this lead.
6. display device, it comprises that a light guide plate, has the light source of lead, a glue frame and a display panel, this light guide plate comprises a body, this body comprises a side and an exiting surface, this exiting surface is adjacent with this side, this lead is provided with near this side, this glue frame is provided with near this light guide plate side, this display panel and the overlapping setting of this light guide plate, it is characterized in that: this light guide plate also comprises extended at least one fixture block from this side, and the part of this lead is arranged in the space that this side and this fixture block surround.
7. display device as claimed in claim 6, it is characterized in that: this fixture block has one first acting surface, one second acting surface and three acting surface relative with first acting surface, this first acting surface and the 3rd acting surface are one group of opposite planar, this second acting surface connects this first acting surface and the 3rd acting surface, and this lead part is adjacent with the 3rd acting surface and this first side of this fixture block.
8. display device as claimed in claim 7 is characterized in that: this exiting surface and this first acting surface are at grade.
9. display device as claimed in claim 7 is characterized in that: this exiting surface and this first acting surface form a step.
10. display device as claimed in claim 6 is characterized in that: this light source is a cold-cathode fluorescence lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510101797 CN1971377A (en) | 2005-11-25 | 2005-11-25 | Backlight module and display device using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510101797 CN1971377A (en) | 2005-11-25 | 2005-11-25 | Backlight module and display device using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1971377A true CN1971377A (en) | 2007-05-30 |
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ID=38112270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510101797 Pending CN1971377A (en) | 2005-11-25 | 2005-11-25 | Backlight module and display device using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1971377A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425333A (en) * | 2016-01-05 | 2016-03-23 | 京东方科技集团股份有限公司 | Light guide substrate, backlight module and display apparatus |
| WO2017143719A1 (en) * | 2016-02-22 | 2017-08-31 | 京东方科技集团股份有限公司 | Edge-lit backlight unit and display device |
| CN109709638A (en) * | 2019-01-30 | 2019-05-03 | 京东方科技集团股份有限公司 | Light guide plate, backlight module, screen and electronic equipment |
-
2005
- 2005-11-25 CN CN 200510101797 patent/CN1971377A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425333A (en) * | 2016-01-05 | 2016-03-23 | 京东方科技集团股份有限公司 | Light guide substrate, backlight module and display apparatus |
| WO2017143719A1 (en) * | 2016-02-22 | 2017-08-31 | 京东方科技集团股份有限公司 | Edge-lit backlight unit and display device |
| US10401558B2 (en) | 2016-02-22 | 2019-09-03 | Boe Technology Group Co., Ltd. | Edge-lit backlight unit with light guide plate having extending portion and display device |
| CN109709638A (en) * | 2019-01-30 | 2019-05-03 | 京东方科技集团股份有限公司 | Light guide plate, backlight module, screen and electronic equipment |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |