CN101493604A - Lcd - Google Patents
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- Publication number
- CN101493604A CN101493604A CNA2008100046921A CN200810004692A CN101493604A CN 101493604 A CN101493604 A CN 101493604A CN A2008100046921 A CNA2008100046921 A CN A2008100046921A CN 200810004692 A CN200810004692 A CN 200810004692A CN 101493604 A CN101493604 A CN 101493604A
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- lcd
- circuit board
- display panels
- disposed
- guide plate
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Abstract
The invention discloses a liquid crystal display with an integral circuit design, comprising a liquid crystal display panel and a backlight module; and the backlight module is arranged below the liquid crystal display panel. Furthermore, the backlight module comprises a plurality of light sources and a circuit board, wherein, the light source is arranged on the circuit board; and the circuit board is provided with a light source driving circuit and a display driving circuit. The light source driving circuit is connected with the light source electrically; furthermore, the display driving circuit is electrically connected with the liquid crystal display panel.
Description
Technical field
The invention relates to a kind of LCD, and particularly relevant for a kind of LCD with integral circuit design.
Background technology
Social now multimedia technology is quite flourishing, is indebted to the progress of semiconductor element and display device mostly.With regard to display, have that high image quality, space utilization efficient are good, the LCD of low consumpting power, advantageous characteristic such as radiationless becomes the main flow in market gradually.In general LCD, because display panels (Liquid crystal display panel) does not have the function of active illuminating, so the display panels below must dispose a module backlight,, display panels shows required light source so that being provided.
In detail, the light source of module backlight can be disposed on the circuit board (not illustrating), and controlled by the driving circuit on the circuit board.On the other hand, display panels can electrically connect with another circuit board, and the show state of display panels can be controlled by the driving circuit on this circuit board.It should be noted that circuit board uses the more in the LCD, manufacturing cost and assembling flow path all can't effectively be simplified.In addition, the volume of LCD also can't effectively reduce, and improved necessity is arranged in fact.
Summary of the invention
The invention provides a kind of LCD, it has the design of integrated circuit, and then can effectively reduce manufacturing cost and reduce the volume of LCD.
The present invention proposes a kind of LCD, and it comprises a display panels and a module backlight.Module backlight is disposed at the display panels below.In addition, module backlight comprises a plurality of light sources and a circuit board.Wherein, light source is disposed on the circuit board.This circuit board has a compound control circuit, and this compound control circuit comprises a light source driving circuit and a display driver circuit.Light source driving circuit and light source electrically connect, and display driver circuit and display panels electrically connect.
In LCD of the present invention, above-mentioned light source comprises light emitting diode.
In above-mentioned LCD of the present invention, also comprise a reflector plate, it is disposed on the circuit board, with the light that reflection source was sent.
In LCD of the present invention, above-mentioned module backlight also comprises a light guide plate, and it has an incidence surface, and light guide plate is disposed at the display panels below, and light source is disposed at by the incidence surface of light guide plate.
In above-mentioned LCD of the present invention, also comprise an arc reflector plate, its cross-over connection is between circuit board and light guide plate, so that the light of light source is by the reflection of arc reflector plate, and is entered in the light guide plate by incidence surface.
In above-mentioned LCD of the present invention, also comprise a reflector plate, be disposed at the bottom surface of light guide plate.
In above-mentioned LCD of the present invention, also comprise an optical diaphragm group, be disposed between display panels and the module backlight.
In LCD of the present invention, above-mentioned optical diaphragm group comprise diffusion sheet, brightening piece and prismatic lens at least wherein one.
In above-mentioned LCD of the present invention, also comprise a flexible circuit board, it is electrically connected between display driver circuit and the display panels.
In LCD of the present invention, above-mentioned display panels comprises a thin-film transistor array base-plate, a subtend substrate and a liquid crystal layer that is sandwiched between the two.
In LCD of the present invention, above-mentioned subtend substrate can be colored optical filtering substrates.
In LCD of the present invention, above-mentioned subtend substrate can be the transparent glass substrate.
Because display driver circuit and light source driving circuit in the LCD of the present invention are to be made on the same circuit board, so the volume of the use cost of circuit board and whole LCD can effectively reduce.In addition, manufacturer also can effectively be simplified assembling flow path and shorten man-hour when assembling liquid crystal display.
Description of drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated, wherein:
Fig. 1 is the diagrammatic cross-section of first embodiment of the invention LCD.
Fig. 2 is the circuit diagram of LCD shown in Figure 1.
Fig. 3 is the synoptic diagram of the another kind of configuration mode of first embodiment of the invention flexible circuit board.
Fig. 4 is the diagrammatic cross-section of second embodiment of the invention LCD.
The main element symbol description:
100,100a: LCD
200: display panels
210: thin-film transistor array base-plate
220: the subtend substrate
230: liquid crystal layer
300,300a: module backlight
310: light source
320: circuit board
322: light source driving circuit
324: display driver circuit
330: light guide plate
330a: incidence surface
340: the arc reflector plate
350,352: reflector plate
360: optical diaphragm group
370: flexible circuit board
C: compound control circuit
Embodiment
First embodiment
Fig. 1 is the diagrammatic cross-section of first embodiment of the invention LCD, and Fig. 2 is the circuit diagram of LCD shown in Figure 1.Please also refer to Fig. 1 and Fig. 2, LCD 100 of the present invention comprises a display panels 200 and a module 300 backlight.Module 300 backlight is disposed at display panels 200 belows, to provide display panels 200 display frames required light source.In detail, display panels 200 comprises that a thin-film transistor array base-plate 210, a subtend substrate 220 and are sandwiched in liquid crystal layer 230 between the two.Wherein, subtend substrate 220 can be colored optical filtering substrates.Certainly, subtend substrate 220 also can be selected the transparent glass substrate for use, and thin-film transistor array base-plate 210 then is to adopt COA (ColorFilter On Array) technology made.
Here be noted that module 300 backlight optionally adopts side incident type module backlight (sideemitting type backlight module) or down straight aphototropism mode set (direct type backlightmodule).Be to explain in the present embodiment, and the example of down straight aphototropism mode set will be specified among second embodiment with side incident type module backlight.Module backlight 300 of the present invention comprises a plurality of light sources 310, a circuit board 320, a light guide plate 330, an arc reflector plate 340, a reflector plate 350 and an optical diaphragm group 360.Wherein, light source 310 is disposed on the circuit board 320.On the practice, light source 310 for example is to adopt light emitting diode.
Specifically, circuit board 320 has a compound control circuit C.As shown in Figure 2, this compound control circuit C comprises a light source driving circuit 322 and a display driver circuit 324.Particularly, light source driving circuit 322 can electrically connect with light source 310, emits beam with control light source 310.On the other hand, display driver circuit 324 can pass through a flexible circuit board (flexible printed circuitboard) 370 as shown in Figure 1, and electrically connects with display panels 200, and then controls the ordered state of liquid crystal molecule in the liquid crystal layer 230.Fig. 3 is the synoptic diagram of the another kind of configuration mode of first embodiment of the invention flexible circuit board.As shown in Figure 3, circuit board 320 also can be between display panels 200 and light source 310, and the display driver circuit 324 among the compound control circuit C can pass through flexible circuit board 370, to electrically connect with display panels 200.
Because light source driving circuit 322 is to be integrated on the same circuit board 320 with display driver circuit 324, therefore can effectively save the use cost space occupied of circuit board with it.The volume of LCD 100 also can effectively reduce.In addition, manufacturer can effectively be simplified assembling flow path and shorten man-hour when assembling liquid crystal display 100.
On the other hand, optical diaphragm group 360 is configurable between display panels 200 and module backlight 300.Generally speaking, optical diaphragm group 360 can comprise diffusion sheet (Diffuser film), brightening piece (Brightnessenhanced film, BEF) with prismatic lens (Prism sheet) at least one of them.The light scattering more equably that above-mentioned diffusion sheet can make light source 310 be sent, and brightening piece can promote the brightness that module 300 backlight is presented.In addition, prismatic lens can promote the correctness of beam projecting direction.Module backlight 300 of the present invention can according to the optical effect desiring to present and select above-mentioned blooming piece for use.
Second embodiment
Second embodiment and first embodiment are similar, and both are the main difference part: the module backlight of second embodiment is down straight aphototropism mode set (direct type backlight module).
Fig. 4 is the diagrammatic cross-section of second embodiment of the invention LCD.Please refer to Fig. 4, module 300a backlight of the present invention is made of a plurality of light sources 310, a circuit board 320 and an optical diaphragm group 360.Wherein, light source 310 is disposed on the circuit board 320, and light source 310 for example is to adopt light emitting diode.Circuit board 320 of the present invention has a compound control circuit C.This compound control circuit C has been specified among first embodiment, does not add to give unnecessary details at this.As shown in Figure 2, the display driver circuit 324 among the compound control circuit C can see through flexible circuit board 370, and electrically connects with display panels 200.In addition, a configurable reflector plate 352 on the circuit board 320, the light that is sent towards circuit board 320 with reflection source 310 is to promote the utilization factor of light.
In sum, because display driver circuit and light source driving circuit in the LCD of the present invention are to be made on the same circuit board, therefore can effectively save the use cost space occupied of circuit board with it.The volume of LCD also can effectively reduce.In addition, manufacturer can effectively be simplified assembling flow path and further shorten man-hour when assembling liquid crystal display.
Though the present invention discloses as above with preferred embodiment; right its is not in order to qualification the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can doing a little modification and perfect, so protection scope of the present invention is when with being as the criterion that claims were defined.
Claims (12)
1. LCD comprises:
One display panels;
One module backlight is disposed at this display panels below, and this module backlight comprises:
A plurality of light sources; And
One circuit board, those light sources are disposed on this circuit board, and this circuit board has a compound control circuit, this compound control circuit comprises a light source driving circuit and a display driver circuit, wherein this light source driving circuit and those light sources electrically connect, and this display driver circuit and this display panels electrically connect.
2. LCD as claimed in claim 1 is characterized in that those light sources comprise light emitting diode.
3. LCD as claimed in claim 1 is characterized in that, also comprises a reflector plate, is disposed on this circuit board, to reflect the light that those light sources are sent.
4. LCD as claimed in claim 1 is characterized in that, this module backlight also comprises a light guide plate, has an incidence surface, and this light guide plate is disposed at this display panels below, and those light sources are disposed at by the incidence surface of this light guide plate.
5. LCD as claimed in claim 4 is characterized in that, also comprises an arc reflector plate, and cross-over connection is between this circuit board and this light guide plate, so that the light of those light sources is by the reflection of this arc reflector plate, and is entered in this light guide plate by this incidence surface.
6. LCD as claimed in claim 4 is characterized in that, also comprises a reflector plate, is disposed at the bottom surface of this light guide plate.
7. LCD as claimed in claim 4 is characterized in that, also comprises an optical diaphragm group, is disposed between this display panels and this module backlight.
8. LCD as claimed in claim 7 is characterized in that, this optical diaphragm group comprise diffusion sheet, brightening piece and prismatic lens at least one of them.
9. LCD as claimed in claim 1 is characterized in that, also comprises a flexible circuit board, is electrically connected between this display driver circuit and this display panels.
10. LCD as claimed in claim 1 is characterized in that, this display panels comprises a thin-film transistor array base-plate, a subtend substrate and a liquid crystal layer that is sandwiched between the two.
11. LCD as claimed in claim 10 is characterized in that, this subtend substrate is a colored optical filtering substrates.
12. LCD as claimed in claim 10 is characterized in that, this subtend substrate is the transparent glass substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100046921A CN101493604A (en) | 2008-01-21 | 2008-01-21 | Lcd |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100046921A CN101493604A (en) | 2008-01-21 | 2008-01-21 | Lcd |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101493604A true CN101493604A (en) | 2009-07-29 |
Family
ID=40924265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100046921A Pending CN101493604A (en) | 2008-01-21 | 2008-01-21 | Lcd |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101493604A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012031504A1 (en) * | 2010-09-08 | 2012-03-15 | 海尔集团公司 | Display device and source drive board |
| CN102620218A (en) * | 2012-04-18 | 2012-08-01 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN103295475A (en) * | 2012-03-02 | 2013-09-11 | 致伸科技股份有限公司 | Display device applied to electronic equipment |
| CN104698828A (en) * | 2015-03-17 | 2015-06-10 | 深圳市华星光电技术有限公司 | Intelligent wrist watch and liquid crystal display |
| CN105785616A (en) * | 2016-05-05 | 2016-07-20 | 武汉华星光电技术有限公司 | Liquid crystal display device |
| CN107340644A (en) * | 2017-08-30 | 2017-11-10 | 捷开通讯(深圳)有限公司 | Backlight module and the liquid crystal display with the backlight module |
| CN107505771A (en) * | 2017-08-30 | 2017-12-22 | 捷开通讯(深圳)有限公司 | Backlight module and the liquid crystal display with the backlight module |
| 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 |
-
2008
- 2008-01-21 CN CNA2008100046921A patent/CN101493604A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012031504A1 (en) * | 2010-09-08 | 2012-03-15 | 海尔集团公司 | Display device and source drive board |
| CN103295475A (en) * | 2012-03-02 | 2013-09-11 | 致伸科技股份有限公司 | Display device applied to electronic equipment |
| CN102620218A (en) * | 2012-04-18 | 2012-08-01 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN104698828A (en) * | 2015-03-17 | 2015-06-10 | 深圳市华星光电技术有限公司 | Intelligent wrist watch and liquid crystal display |
| CN104698828B (en) * | 2015-03-17 | 2017-06-06 | 深圳市华星光电技术有限公司 | Intelligent watch and liquid crystal display |
| CN105785616A (en) * | 2016-05-05 | 2016-07-20 | 武汉华星光电技术有限公司 | Liquid crystal display device |
| WO2017190379A1 (en) * | 2016-05-05 | 2017-11-09 | 武汉华星光电技术有限公司 | Liquid crystal display apparatus |
| CN107340644A (en) * | 2017-08-30 | 2017-11-10 | 捷开通讯(深圳)有限公司 | Backlight module and the liquid crystal display with the backlight module |
| CN107505771A (en) * | 2017-08-30 | 2017-12-22 | 捷开通讯(深圳)有限公司 | Backlight module and the liquid crystal display with the backlight module |
| 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 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090729 |