CN101470263A - Display device - Google Patents
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- CN101470263A CN101470263A CNA2007101256710A CN200710125671A CN101470263A CN 101470263 A CN101470263 A CN 101470263A CN A2007101256710 A CNA2007101256710 A CN A2007101256710A CN 200710125671 A CN200710125671 A CN 200710125671A CN 101470263 A CN101470263 A CN 101470263A
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- display device
- light guide
- base plate
- guide base
- area
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Abstract
The invention relates to a display device, which comprises a light source and a display panel. The display panel comprises a light guide base plate, and the light guide base plate comprises a plurality of light guide circuits. The light source is directly arranged on the light guide base plate, and is electrically connected with the light guide circuits. The display device is light and thin, and is low in cost and convenient in assembly.
Description
Technical field
The present invention relates to a kind of display device, especially a kind of passive illuminated display device.
Background technology
Display device generally comprises active illuminating formula display device and passive illuminated display device.Wherein, active illuminating formula display device generally includes CRT display, plasma display system and organic electroluminescence display device etc., and passive illuminated display device generally includes electric moistening display apparatus and liquid crystal indicator etc.Because the display panel of passive type display device itself is not luminous, provide light to inject display panel so need light source, could realize that picture shows.
Seeing also Fig. 1, is a kind of perspective exploded view of prior art electric moistening display apparatus.This electric moistening display apparatus 1 comprises a module 10 backlight and an Electrowetting display panel 11.These Electrowetting display panel 11 and these module 10 stacked settings backlight, this module 10 backlight provides light to this Electrowetting display panel 11.
This module 10 backlight comprises a brightening piece 13, a diffusion sheet 14, a light guide plate 15, a glue frame 16, a reflector plate 17, a plurality of light emitting diode 18 and one first flexible printed wiring board (Flexible Printed Circuit Board, FPCB) 19.
This light guide plate 15 comprises an incidence surface 151, an exiting surface 152 and a bottom surface 153.This exiting surface 152 is adjacent with this incidence surface 151, these bottom surface 153 relative these exiting surfaces 152.This brightening piece 13 and this diffusion sheet 14 stack gradually exiting surface 152 1 sides in this light guide plate 15.These reflector plate 17 contiguous these bottom surfaces 153.
This glue frame 16 comprises a first side wall 161, one second sidewall 162, one the 3rd sidewall 173 and one the 4th sidewall 164.This first side wall 161, this second sidewall 162, the 3rd sidewall 163 and the 4th sidewall 164 join end to end successively and connect, and to form a receiving space (not indicating), this receiving space correspondence is accommodated this Electrowetting display panel 11.
This first side wall 161 is corresponding with this incidence surface 151, and it includes a plurality of accepting grooves (indicate), and these a plurality of accepting grooves are corresponding with this a plurality of light emitting diode 18 respectively.
These a plurality of light emitting diodes 18 are to adopt surperficial coating technique (SurfaceMounting Technology, SMT) be arranged on this first flexible circuit board, 19 surfaces, and be electrically connected to an external power source control circuit (figure does not show) by this first flexible printed wiring board 19.
This Electrowetting display panel 11 comprises a display base plate 111, a drive integrated circult chip 112 and one second flexible printed wiring board 113.This display base plate 111 comprises a viewing area 114 and a terminal region 115, and these terminal region 115 adjacent these viewing areas 114 are provided with.This drive integrated circult chip 112 is arranged on this terminal region 115.This second flexible printed wiring board 113 is connected with this terminal region 115.This drive integrated circult chip 112 is electrically connected by this terminal region 115 with this second flexible circuit board 113.This drive integrated circult chip 112 is electrically connected to an external signal control circuit (figure does not show) by this second flexible printed wiring board 113.
Please consult Fig. 2 and Fig. 3 simultaneously, Fig. 2 is the schematic perspective view after electric moistening display apparatus 1 assembling shown in Figure 1, and Fig. 3 is the part section enlarged diagram of electric moistening display apparatus 1 shown in Figure 2 along the III-III line.This reflector plate 17 is attached to a side of this glue frame 16, and this light guide plate 15 is housed in the receiving space of this glue frame 16 from a relative other side.These a plurality of light emitting diode 18 correspondences are housed in these a plurality of accepting grooves.This first flexible printed wiring board 19 extends and is fixed to the exiting surface 152 of this light guide plate 15, to support these a plurality of light emitting diodes 18.This Electrowetting display panel 11, this brightening piece 13 and this diffusion sheet 14 overlay exiting surface 152 1 sides of this light guide plate 15 from top to bottom successively.
Yet, this electric moistening display apparatus 1 needs one first flexible printed wiring board 19 to be connected with the external power source control circuit by a plurality of light emitting diodes 18, and need one second flexible printed wiring board 113 that this drive integrated circult chip 112 is connected with an external signal control circuit board in addition, its assembly element is more, complex structure, be unfavorable for that this electric moistening display apparatus 1 realization is lightening, and be inconvenient to assemble.
Summary of the invention
For solving the more and baroque problem of above-mentioned prior art display device assembly element, be necessary the display device that provides a kind of assembly element less, simple in structure.
A kind of display device, it comprises a light source and a light guide base plate.This light guide base plate comprises a first area and a second area.This first area comprises many conducting wires.This light source is set directly at this first area, and is electrically connected with these many conducting wires.A plurality of on-off elements are arranged on this second area.These a plurality of on-off element controls are passed the light of this second area to realize Presentation Function.
A kind of display device, it comprises a light source and a display panel.This display panel comprises a light guide base plate.This light guide base plate comprises many conducting wires.This light source is set directly at this light guide base plate, and is electrically connected with these many conducting wires.
Compared with prior art, display device of the present invention is set directly at the light guide base plate of this display panel with this light source, and is electrically connected with many conducting wires of this display panel, makes this display device structure compacter, consumptive material still less improves the lightening degree of display panel.In addition, because assembly element reduces, in the time of simplified structure, also ease of assembly.Utilize this light guide base plate as light guide plate, make this display device more frivolous.
Description of drawings
Fig. 1 is a kind of perspective exploded view of prior art electric moistening display apparatus.
Fig. 2 is the schematic perspective view after the electric moistening display apparatus assembling shown in Figure 1.
Fig. 3 is the part section enlarged diagram of electric moistening display apparatus shown in Figure 2 along the III-III line.
Fig. 4 is the schematic perspective view after display device first embodiment assembling of the present invention.
Fig. 5 is the part section enlarged diagram of display device shown in Figure 4 along the V-V line.
Fig. 6 is the schematic perspective view after display device second embodiment assembling of the present invention.
Embodiment
Seeing also Fig. 4, is the schematic perspective view after display device first embodiment assembling of the present invention.This display device 3 is electric moistening display apparatus.This display device 3 comprises a display panel 30, a flexible printed wiring board 31, a drive integrated circult chip 32 and an array of source 33.This flexible printed wiring board 31, this drive integrated circult 32 and this array of source 33 are arranged on the surface of this display panel 30.
Seeing also Fig. 5, is the part section enlarged diagram of display device shown in Figure 4 along the V-V line.This display panel 30 comprises a colored filter substrate 34, a light guide base plate 35, a water layer 36 and an insulation shading oil reservoir 37.This colored filter substrate 34 and this light guide base plate 35 are oppositely arranged, and this water layer 36 and this insulation shading oil reservoir 37 are clipped between this colored filter substrate 34 and this light guide base plate 35.This insulation shading oil reservoir 37 is arranged on the surface of this light guide base plate 35 towards this colored filter substrate 34.This light guide base plate 35 is not the first area of this display panel 30 by the zone that this colored filter substrate 34 covers, and this first area defines a terminal region 38.This light guide base plate 35 is the second area of this display panel 30 by the zone that this colored filter substrate 34 covers, and this second area defines a viewing area 39.The shape that this terminal region 38 is projected in these light guide base plate 34 surfaces is a rectangle.This terminal region 38 and these viewing area 39 adjacent settings.
This colored filter substrate 34 comprises one first transparency carrier 341, a chromatic filter layer 342 and a transparent common electrode layer 343.This transparent common electrode layer 343 and this chromatic filter layer 342 are cascading on the surface of this first transparency carrier 341 towards this light guide base plate 35.
This light guide base plate 35 comprises one second transparency carrier 351, a plurality of thin film transistor (TFT) (figure does not show), a plurality of pixel electrode (figure does not show), a plurality of and the corresponding hydrophobic film layer of this pixel electrode (figure does not show), a plurality of microstructure 352 and a reflection horizon 353.
The material of this second transparency carrier 351 is glass, acryl resin or the optimum material of other leaded light, and it comprises a upper surface 354, a bottom surface 355 and a side 356.This upper surface 354 is this second transparency carrier 351 surfaces towards this colored filter substrate 34, these bottom surface 355 relative these upper surfaces 354, this side 356 are that this second transparency carrier 35 is clipped between this upper surface 354 and this bottom surface 355 and deviates from the side of this viewing area 39.These a plurality of thin film transistor (TFT)s, these a plurality of pixel electrodes and this a plurality of hydrophobic film layer are arranged on the upper surface 354 of this viewing area 39.These a plurality of thin film transistor (TFT)s, these a plurality of pixel electrodes and this a plurality of hydrophobic film layer and this insulation shading oil reservoir 37, this water layer 36 and a plurality of optoelectronic switches of this transparent common electrode layer 343 common formation.These a plurality of microstructures 352 are arranged on this bottom surface 355.Each microstructure 352 is that the cross section is the groove of V-arrangement.This reflection horizon 353 covers these a plurality of microstructures 352, this bottom surface 355 and this side 356.
This flexible printed wiring board 31, this drive integrated circult chip 32 and this array of source 33 are arranged on the upper surface 354 of this terminal region 38, and these array of source 33 contiguous these viewing areas 39 are provided with.Upper surface 354 in this terminal region 38 is provided with many conducting wires (figure does not show) and a plurality of conductive spacer (figure does not show).These many conducting wires and these a plurality of conductive spacers are to adopt exposure and etching developing technique to form.This flexible printed wiring board 31 generally includes a plurality of golden fingers (figure does not show), this drive integrated circult chip 32 generally includes a plurality of first gold medal projections (figure does not show), and this array of source 33 comprises a plurality of second gold medal projections (figure does not show).These a plurality of golden fingers, these a plurality of first gold medal projections and this a plurality of second gold medal projections are corresponding respectively with these a plurality of conductive spacers.This flexible printed wiring board 31 is arranged on this upper surface 354 by the mode or the anisotropic conductive film mode of amplexiforming of welding.This drive integrated circult chip 32 and this array of source 33 adopt the glass flip chip encapsulation technology, and (Chip OnGlass COG) is attached to this upper surface 354.
One end of this flexible circuit board 31 is connected to an external control circuit (figure does not show) with power control function and picture element signal controlling function.Wherein, this array of source 33 can directly be electrically connected with an other end of this flexible circuit board 31 by these many conducting wires, can also be electrically connected with an other end of this flexible circuit board 31 through this drive integrated circult chip 32 by these many conducting wires.
This array of source 33 is a plurality of light emitting diodes, and it comprises an exiting surface 331.This this upper surface 354 of exiting surface 331 butts.The light that this array of source 33 sends, the upper surface 354 by this terminal region 38 incides this second transparency carrier 351.The light that passes this second transparency carrier 351 shines directly into this a plurality of microstructures 352, after these a plurality of microstructure 352 reflections, refraction or scattering, passes this second transparency carrier 351 again, and incides this insulation shading oil reservoir 37.When applying voltage at this a plurality of optoelectronic switch, voltage changes the throughput of the shading area of this insulation shading oil reservoir 37 with control light, thereby effectively shows needed picture.
Compared with prior art, display device 3 of the present invention is set directly at this array of source 33 light guide base plate 35 of this display device 3, and many conducting wires by this light guide base plate 35 are these array of source 33 power supplies, thereby reduce the use of flexible printed wiring board, save the space, make display device 3 lighter, thinner.In addition, because this array of source 33 is set directly on the light guide base plate 35 of this display device 3, can needn't uses module backlight to utilize this light guide base plate 35 as light guide plate, thereby make that this display device 3 is more frivolous, cost is lower, and ease of assembly.
Seeing also Fig. 6, is the schematic perspective view after display device second embodiment assembling of the present invention.This display device 4 is roughly the same with the display device 3 of this first embodiment, and its key distinction is: the terminal region 48 of this display device 4 is adjacent two side areas that light guide base plate 45 is not covered by colored filter substrate 44.This terminal region comprises a first terminal district 487 and one second terminal region 488.This second terminal region 488 intersects with this first terminal district 487.Array of source 43 is arranged on the upper surface of this second terminal region 488.Drive integrated circult chip 42 and flexible printed wiring board 41 are arranged on the upper surface in this first terminal district 487.
Yet it is described that the present invention is not limited to above-mentioned embodiment, and for example this array of source 33 also can be an organic electric exciting light-emitting diode; This array of source 33 also can be arranged on the bottom surface 355 of this second transparency carrier 351; These a plurality of microstructures 352 also can be a plurality of sites that are printed on this bottom surface 355; This display device 3 also can be a liquid crystal indicator, and the difference of itself and this electric moistening display apparatus 3 is: being clipped between this light guide base plate 35 and this colored filter substrate 34 is a liquid crystal layer.
Claims (10)
1. display device, it comprises a light source and a light guide base plate, this light guide base plate comprises a first area and a second area, this first area comprises many conducting wires, a plurality of on-off elements are arranged on this second area, and the light of this second area is passed in these a plurality of on-off element controls, thereby makes this display device realize Presentation Function, it is characterized in that: this light source is set directly at this first area, and is electrically connected with these many conducting wires.
2. display device as claimed in claim 1 is characterized in that: this display device further comprises a flexible printed wiring board, and it is arranged on this first area, and is electrically connected with this light source by these many conducting wires.
3. display device as claimed in claim 1 is characterized in that: this light source comprises an exiting surface, the surface of its this light guide base plate of butt.
4. display device as claimed in claim 1 is characterized in that: these many conducting wires are to adopt photoetching technique to be formed on this first area.
5. display device as claimed in claim 1, it is characterized in that: this display device is an electric moistening display apparatus, its further comprise a colored filter substrate and be clipped in this light guide base plate and this colored filter substrate between a water layer and an insulation shading oil reservoir.
6. display device as claimed in claim 5 is characterized in that: this display device further comprises a plurality of microstructures, and it is arranged on the surface that this light guide base plate deviates from this colored filter substrate.
7. display device, it comprises a light source and a display panel, and this display panel comprises a light guide base plate, and this light guide base plate comprises many conducting wires, it is characterized in that: this light source is set directly at this light guide base plate, and is electrically connected with these many conducting wires.
8. display device as claimed in claim 7 is characterized in that: these many conducting wires are to adopt photoetching technique to be formed on this light guide base plate.
9. display device as claimed in claim 7 is characterized in that: this display device further comprises a flexible printed wiring board, and this flexible printed wiring board is electrically connected with this light source by these many conducting wires.
10. display device as claimed in claim 7 is characterized in that: this light source comprises an exiting surface, this light guide base plate surface of this exiting surface butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101256710A CN101470263B (en) | 2007-12-29 | 2007-12-29 | Electrowetting display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101256710A CN101470263B (en) | 2007-12-29 | 2007-12-29 | Electrowetting display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101470263A true CN101470263A (en) | 2009-07-01 |
| CN101470263B CN101470263B (en) | 2011-04-13 |
Family
ID=40827885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101256710A Expired - Fee Related CN101470263B (en) | 2007-12-29 | 2007-12-29 | Electrowetting display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101470263B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187007A (en) * | 2011-12-27 | 2013-07-03 | 群康科技(深圳)有限公司 | Display panel, display device and manufacturing method for display panel |
| TWI460470B (en) * | 2013-04-10 | 2014-11-11 | Au Optronics Corp | Electrowetting display device |
| CN108535914A (en) * | 2018-04-19 | 2018-09-14 | 惠州市华星光电技术有限公司 | Liquid crystal display device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603950Y (en) * | 2003-02-17 | 2004-02-18 | 统宝光电股份有限公司 | Back-light source module of planar display device |
| CN100443974C (en) * | 2005-09-30 | 2008-12-17 | 群康科技(深圳)有限公司 | Liquid-crystal display mould set |
-
2007
- 2007-12-29 CN CN2007101256710A patent/CN101470263B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187007A (en) * | 2011-12-27 | 2013-07-03 | 群康科技(深圳)有限公司 | Display panel, display device and manufacturing method for display panel |
| CN103187007B (en) * | 2011-12-27 | 2015-03-25 | 群康科技(深圳)有限公司 | Display panel, display device and manufacturing method for display panel |
| TWI460470B (en) * | 2013-04-10 | 2014-11-11 | Au Optronics Corp | Electrowetting display device |
| CN108535914A (en) * | 2018-04-19 | 2018-09-14 | 惠州市华星光电技术有限公司 | Liquid crystal display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101470263B (en) | 2011-04-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: QIMEI ELECTRONIC CO LTD Free format text: FORMER OWNER: INNOLUX DISPLAY GROUP |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20110221 Address after: 518109 Longhua, Shenzhen, town, Foxconn science and Technology Industrial Park E District, building 1, floor 4, Applicant after: Qunkang Technology (Shenzhen) Co., Ltd. Co-applicant after: Chimei Optoelectronics Co., Ltd. Address before: 518109 Longhua, Shenzhen, town, Foxconn science and Technology Industrial Park E District, building 1, floor 4, Applicant before: Qunkang Technology (Shenzhen) Co., Ltd. Co-applicant before: Innolux Display Group |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20201229 |