CN101153967A - LCD device - Google Patents
LCD device Download PDFInfo
- Publication number
- CN101153967A CN101153967A CNA2006100628938A CN200610062893A CN101153967A CN 101153967 A CN101153967 A CN 101153967A CN A2006100628938 A CNA2006100628938 A CN A2006100628938A CN 200610062893 A CN200610062893 A CN 200610062893A CN 101153967 A CN101153967 A CN 101153967A
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- lcd
- guide plate
- light guide
- chip
- light
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Abstract
A liquid crystal display comprises a liquid crystal display panel, a light guide plate which is provided with lead and a drive chip arranged on the light guide plate and a light inductor; the liquid crystal display panel is provided with a connecting part; the light guide plate and the liquid crystal display panel are in sandwich arrangement; a connecting piece corresponding to the connecting part of the liquid crystal display panel is arranged on the light guide plate; the drive chip is connected with the connecting piece by lead; the drive chip is in electric connection with the liquid crystal display panel through the contact between the connecting piece and the connecting part; the light inductor is in electric connection with the drive chip; the light inductor can induce external light, convert light signals to electrical signals and transmit the electrical signals to the drive chip. The liquid crystal display can automatically adjust backlight brightness according to the brightness change of the external light and can ease wiring density to prevent electromagnetic interference generated between lines.
Description
Technical field
The invention relates to a kind of LCD, especially about liquid crystal display capable of automatic regulating brightness.
Background technology
At present, LCD has replaced conventional cathode ray tube (the Cathode Ray Tube that is used for counter gradually, CRT) display, and, because characteristics such as the liquid crystal display utensil is light, thin, little, make its be fit to very much be applied to desktop PC, laptop computer, personal digital assistant (Personal Digital Assistant, PDA), in portable phone, TV and multiple office automation and the audio-visual equipment.
The operation of LCD environment can change with certain condition, difference as the place, the power of ambient light and headlamp switch etc., when the user observes show image under the varying environment briliancy, need at the varying environment briliancy and the demonstrations briliancy of LCD is made the adjustment of correspondence, with the visual experience of acquisition the most comfortable.
A kind of LCD of prior art as shown in Figure 1, this LCD 100 comprises a light guide plate 110, a light sources 120, a plurality of blooming piece 150, a liquid crystal panel 160 and glue frame 170.This light guide plate 110, light sources 120, a plurality of blooming piece 150 and liquid crystal panel 160 are contained in this glue frame 170 in regular turn.
This liquid crystal panel 160 comprises a colored filter substrate (indicate), a thin film transistor base plate (indicating), be sandwiched in the liquid crystal layer (figure does not show) between this two substrate and be attached at the orthogonal polaroid 161,163 in polarization direction in this two substrates outside respectively, this thin film transistor base plate is provided with a plurality of gate line/data lines 165, one chip for driving 166 is arranged on this thin film transistor base plate, it links to each other with a plurality of gate line/data lines 165 on this thin film transistor base plate, and is linked to each other with external circuitry by a plurality of leads 167.
The material of this light guide plate 110 generally can be resins such as polymethyl methacrylate, polyacrylic resin, polycarbonate or polyethylene resin.This light guide plate 110 comprises a light-emitting face 111 and one and the incidence surface 112 that intersects of this light-emitting face 111.This light sources 120 comprises a flexible circuit board 121 and four luminescence components 122, and these four luminescence components 122 are arranged on this flexible circuit board 121.This light sources 120 is arranged at this light guide plate 110 incidence surfaces 112 1 sides.
But, when the brightness of these LCD 100 external environments of living in changes, this LCD 100 can not be responded to the brightness variation of external environment and adjust backlight illumination automatically, thereby the phenomenon of visual discomfort will appear in the user when different external environment brightness are observed display frame down.
For addressing the above problem, industry generally is provided with an optical inductor (figure does not show) on liquid crystal panel 160, adjust backlight illumination automatically by the brightness variation of its induction external environment.Must be electrically connected with intednsity circuit during this optical inductor work, could realize adjusting automatically the purpose of backlight illumination.It is to need some new circuits of arrangement to realize on this thin film transistor base plate that this optical inductor is electrically connected with intednsity circuit.
But, these a plurality of gate line/data lines 165 and the arrangement of a plurality of lead 167 on this thin film transistor base plate are just comparatively crowded, substantially not having the space increases on this thin film transistor base plate again, for some new line that this optical inductor is electrically connected with intednsity circuit, and it is also overstocked because of connecting up promptly to allow to increase new circuit, electromagnetic interference (EMI) between the easy generation circuit (Electro Magnetic Interference, EMI).
Summary of the invention
For solving the crowded problem of above-mentioned LCD wiring space, be necessary to provide a kind of and can regulate backlight illumination automatically, and the bigger LCD of wiring space.
A kind of LCD, it comprises: a display panels, one is provided with the light guide plate of lead and is arranged at a chip for driving and optical inductor on the light guide plate, this display panels is provided with connecting portion, this light guide plate and the stacked setting of this display panels, this light guide plate is provided with the web member relative with the connecting portion of this display panels, this chip for driving is linked to each other with this web member by this lead, and be electrically connected by this web member and contacting of connecting portion with this display panels, this optical inductor is electrically connected with this chip for driving, this optical inductor can be responded to ambient light, the light signal is converted to electric signal is sent to this chip for driving.
Compared with prior art, the light guide plate of above-mentioned LCD can connect up, and chip for driving and optical inductor all are arranged on the light guide plate, and this chip for driving can be passed through lead, be electrically connected with connecting portion on the display panels by the web member on the light guide plate, drive this display panels.In addition, this optical inductor directly is electrically connected with this light emitting drive chip, need not be arranged at display panels and also realize regulating backlight illumination.It is overstocked to alleviate display panels wiring with this, but and because of the light guide plate wiring space is bigger, be difficult for the phenomenon that causes wiring overstocked, thereby prevent that circuit is overstocked and can't the new circuit of cloth, can prevent maybe that circuit is overstocked and produce phenomenon such as electromagnetic interference (EMI) between the circuit.
Description of drawings
Fig. 1 is a kind of perspective exploded view of LCD of prior art.
Fig. 2 is the synoptic diagram of LCD one better embodiment of the present invention.
Fig. 3 is the partial cross section enlarged diagram of Fig. 2 along the III-III direction.
Fig. 4 is the perspective exploded view of LCD shown in Figure 2.
Fig. 5 is the synoptic diagram of LCD second embodiment of the present invention.
Embodiment
Seeing also Fig. 2, is the synoptic diagram of LCD one better embodiment of the present invention.This LCD 200 comprises a light guide plate 210, with a display panels 220 of these light guide plate 210 stacked settings and be arranged at a chip for driving 230 and an optical inductor 240 (please join shown in Figure 4) on this light guide plate 210.
See also Fig. 3 and Fig. 4, Fig. 3 is the partial cross section enlarged diagram of Fig. 2 along the III-III direction, and Fig. 4 is the perspective exploded view of LCD 200 shown in Figure 2.This display panels 220 comprises a colored filter substrate 222, one and the thin film transistor base plate 227 that is oppositely arranged of this colored filter substrate 222 and be folded in this colored filter substrate 222 and a liquid crystal layer 225 of 227 of thin film transistor base plates.This colored filter substrate 222 and thin film transistor base plate 227 contiguous these liquid crystal layer 225 1 sides are provided with polaroid 223,226; the main material of this polaroid 223,226 is polyvinyl alcohol (PVA) (PolyvinylAlcohol; PVA); because this polaroid 223,226 is arranged at the inner surface of this colored filter substrate 222 and thin film transistor base plate 227; therefore it can save the protective seam of this two polaroid, also can overcome external polaroid easily by the defective of scratch.This thin film transistor base plate 227 is provided with a plurality of connecting portions 228 that link to each other with data line/gate line 221 ends on this thin film transistor base plate 227.This connecting portion 228 is a conductive hole, but conducts with realization by the conductive material welding.
This light guide plate 210 is to adopt sheet glass to make, and it comprises the zone, non-display area 229 a corresponding edge 211 with this display panels 220.The web member 215 that these light guide plate 210 fringe regions 211 are provided with lead 213 and are connected with this lead 213.This web member 215 runs through this light guide plate 210, and relative with a plurality of connecting portions 228 on this thin film transistor base plate 227, and this web member 215 is a conductive hole, but conducts realizing by the conductive material welding, and this lead 213 is gate line, data line or other.
This chip for driving 230 is to adopt the glass flip chip encapsulation technology (Chip On Glass COG), is connected to the fringe region 211 of this light guide plate 210 by the anisotropy conducting film with chip for driving 230, and electrically connects with lead 213 on this light guide plate 210.This chip for driving 230 is integrated with scanner driver, data driver and intednsity circuit, this chip for driving 230 is by lead 213, be electrically connected with connecting portion 228 on the thin film transistor base plate 227 by the web member on the light guide plate 210 215, drive this display panels 220.And this chip for driving 230 is light emitting drive chips, and it can be used as light source, provides to this light guide plate 210 to show required light.
This optical inductor 240 is arranged at this fringe region 211 of this light guide plate 210, and is electrically connected by lead 213 and this chip for driving 230, and this optical inductor 240 can be attached on this light guide plate 210 by adhesive means, also can be integrated on this light guide plate 210.These sensor devices 240 induction brightness of outside light, the light signal is converted to the intednsity circuit that electric signal is sent to this chip for driving 230, and control the light intensity of this light emitting drive chip 230 by this intednsity circuit, can regulate the backlight illumination of this LCD 200 automatically, thereby vision is more comfortable when the user observes picture.
Compared with prior art, the light guide plate 210 of above-mentioned LCD 200 adopts glass to make, and because light guide plate 210 fringe regions 211 spaces are bigger, therefore edge region 211 is provided with and not only is integrated with scanner driver, data driver and intednsity circuit, chip for driving 230 that also can be luminous.This chip for driving 230 is by lead 213, and the connecting portion 228 by data line/gate line 221 ends on the web member on the light guide plate 210 215 and the thin film transistor base plate 227 is electrically connected, and drives this display panels 220.In addition, this optical inductor 240 is arranged at this fringe region 211 of this light guide plate 210, and directly is electrically connected with this light emitting drive chip 230, need not be arranged at display panels 220 and also realize regulating backlight illumination.It is overstocked to alleviate display panels 220 wirings with this, and because of light guide plate 210 fringe regions 211 spaces bigger, be difficult for causing the overstocked phenomenon of wiring, thereby prevent that circuit is overstocked and can't the new circuit of cloth, can prevent maybe that circuit is overstocked and produce phenomenon such as electromagnetic interference (EMI) between the circuit.
These liquid crystal layer 225 1 sides of the vicinity of this colored filter substrate 222 of this display panels 220 and thin film transistor base plate 227 are provided with polaroid 223,226 again.Polaroid 223,226 is arranged at the substrate inboard, and the setting that it has saved polaroid 223,226 protective seams also can overcome external polaroid 223,226 easily by the defective of scratch.
Please refer to Fig. 5, is the synoptic diagram of LCD second embodiment of the present invention.Be with the difference of the LCD 200 of this first embodiment: these light guide plate 310 contiguous display panels one sides are provided with a plurality of microstructures, by this microstructure diffusion light, make this light guide plate 310 when light transmission is arranged, form an area source, with even display frame.
But it is described that LCD of the present invention is not limited to above-mentioned embodiment.Web member on connecting portion on this thin film transistor base plate and this light guide plate can not be to be conductive hole, can mixing or other for pin or conductive hole and pin yet.The polaroid that is attached at this display panels can not be all to be arranged at the display panel inboard, and it can make the polaroid of contiguous this light guide plate one side be arranged at the substrate inboard, and other polaroid is arranged at the substrate outside, and it can change design as required.But the material of this light guide plate also can adopt other to connect up and other material of light transmission.
Claims (10)
1. LCD, it comprises a display panels, one light guide plate and a chip for driving and an optical inductor, this light guide plate and the stacked setting of this display panels, it is characterized in that: this chip for driving and optical inductor are arranged on this light guide plate, this display panels is provided with connecting portion, this light guide plate is provided with lead and the web member relative with the connecting portion of this display panels, this chip for driving is linked to each other with this web member by this lead, and be electrically connected by this web member and contacting of connecting portion with this display panels, this optical inductor is electrically connected with this chip for driving, this optical inductor can be responded to ambient light, the light signal is converted to electric signal is sent to this chip for driving.
2. LCD as claimed in claim 1 is characterized in that: this connecting portion is a conductive hole, but conducts with realization by the conductive material welding.
3. LCD as claimed in claim 1 is characterized in that: this web member is a conductive hole, but conducts with realization by the conductive material welding.
4. LCD as claimed in claim 1 is characterized in that: this display panels comprises a thin film transistor base plate, and this connecting portion is arranged on this thin film transistor base plate.
5. LCD as claimed in claim 4 is characterized in that: this thin film transistor base plate is provided with gate line/data line, and this connecting portion is arranged at this gate line/data line end.
6. LCD as claimed in claim 5 is characterized in that: this display panels comprises a non-display area, and this connecting portion is arranged at this non-display area.
7. LCD as claimed in claim 6 is characterized in that: this light guide plate comprises zone, an edge, and the non-display area of itself and this display panels is corresponding, and this chip for driving and optical inductor all are arranged on this fringe region.
8. LCD as claimed in claim 1 is characterized in that: this chip for driving is integrated with scanner driver, data driver and intednsity circuit.
9. LCD as claimed in claim 8 is characterized in that: this chip for driving is the light emitting drive chip, is used to drive this display panels, and can be used as light source and provide light to light guide plate.
10. LCD as claimed in claim 9 is characterized in that: this intednsity circuit is accepted the electric signal of optical inductor output, and converts this electric signal to controlling signal to regulate backlight illumination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100628938A CN100529855C (en) | 2006-09-29 | 2006-09-29 | LCD device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100628938A CN100529855C (en) | 2006-09-29 | 2006-09-29 | LCD device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101153967A true CN101153967A (en) | 2008-04-02 |
| CN100529855C CN100529855C (en) | 2009-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100628938A Expired - Fee Related CN100529855C (en) | 2006-09-29 | 2006-09-29 | LCD device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100529855C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777332A (en) * | 2009-01-14 | 2010-07-14 | 新谱光科技股份有限公司 | Device for regulating and controlling display panels |
| CN102682693A (en) * | 2012-06-05 | 2012-09-19 | 深圳市华星光电技术有限公司 | Display panel and driving method thereof |
| CN103162169A (en) * | 2011-12-16 | 2013-06-19 | 陈帅龙 | Conductive chemical tempered glass integrally formed backlight module and manufacturing method thereof |
| CN103867963A (en) * | 2012-12-14 | 2014-06-18 | 陈帅龙 | Compound backlight module capable of being inserted in liquid crystal display and manufacturing method thereof |
| CN105590589A (en) * | 2010-10-08 | 2016-05-18 | 联咏科技股份有限公司 | Integrated backlight driving chip and light emitting diode backlight device |
| CN106896572A (en) * | 2015-12-19 | 2017-06-27 | 西安瑞联新材料股份有限公司 | It is a kind of can be with the liquid crystal display module of adjusting display brightness |
| CN106935190A (en) * | 2017-02-22 | 2017-07-07 | 上海天马有机发光显示技术有限公司 | A kind of organic electroluminescence display panel, organic light-emitting display device, the driving method of organic electroluminescence display panel |
| CN107316624A (en) * | 2017-07-17 | 2017-11-03 | 京东方科技集团股份有限公司 | The method of adjustment of display device and its display brightness |
| CN107357079A (en) * | 2017-08-29 | 2017-11-17 | 惠科股份有限公司 | A kind of display panel |
| CN108962942A (en) * | 2018-06-12 | 2018-12-07 | 信利半导体有限公司 | A kind of PM-OLED display of automatic regulating lightness and preparation method thereof |
-
2006
- 2006-09-29 CN CNB2006100628938A patent/CN100529855C/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777332A (en) * | 2009-01-14 | 2010-07-14 | 新谱光科技股份有限公司 | Device for regulating and controlling display panels |
| CN105590589A (en) * | 2010-10-08 | 2016-05-18 | 联咏科技股份有限公司 | Integrated backlight driving chip and light emitting diode backlight device |
| CN103162169A (en) * | 2011-12-16 | 2013-06-19 | 陈帅龙 | Conductive chemical tempered glass integrally formed backlight module and manufacturing method thereof |
| CN102682693A (en) * | 2012-06-05 | 2012-09-19 | 深圳市华星光电技术有限公司 | Display panel and driving method thereof |
| CN102682693B (en) * | 2012-06-05 | 2016-03-30 | 深圳市华星光电技术有限公司 | Display panel and driving method thereof |
| CN103867963A (en) * | 2012-12-14 | 2014-06-18 | 陈帅龙 | Compound backlight module capable of being inserted in liquid crystal display and manufacturing method thereof |
| CN106896572A (en) * | 2015-12-19 | 2017-06-27 | 西安瑞联新材料股份有限公司 | It is a kind of can be with the liquid crystal display module of adjusting display brightness |
| CN106935190A (en) * | 2017-02-22 | 2017-07-07 | 上海天马有机发光显示技术有限公司 | A kind of organic electroluminescence display panel, organic light-emitting display device, the driving method of organic electroluminescence display panel |
| US10665165B2 (en) | 2017-02-22 | 2020-05-26 | Shanghai Tianma AM-OLED Co., Ltd. | Organic light-emitting display panel, organic light-emitting display apparatus, and driving method of organic light-emitting display panel |
| CN107316624A (en) * | 2017-07-17 | 2017-11-03 | 京东方科技集团股份有限公司 | The method of adjustment of display device and its display brightness |
| CN107316624B (en) * | 2017-07-17 | 2019-12-03 | 京东方科技集团股份有限公司 | The method of adjustment of display device and its display brightness |
| CN107357079A (en) * | 2017-08-29 | 2017-11-17 | 惠科股份有限公司 | A kind of display panel |
| CN108962942A (en) * | 2018-06-12 | 2018-12-07 | 信利半导体有限公司 | A kind of PM-OLED display of automatic regulating lightness and preparation method thereof |
| WO2019237404A1 (en) * | 2018-06-12 | 2019-12-19 | 信利半导体有限公司 | Pm-oled display automatically adjusting brightness and manufacturing method therefor |
| CN108962942B (en) * | 2018-06-12 | 2021-01-26 | 信利半导体有限公司 | PM-OLED display capable of automatically adjusting brightness and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100529855C (en) | 2009-08-19 |
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Granted publication date: 20090819 Termination date: 20170929 |