CN201434948Y - Liquid crystal display - Google Patents
Liquid crystal display Download PDFInfo
- Publication number
- CN201434948Y CN201434948Y CN2009201515955U CN200920151595U CN201434948Y CN 201434948 Y CN201434948 Y CN 201434948Y CN 2009201515955 U CN2009201515955 U CN 2009201515955U CN 200920151595 U CN200920151595 U CN 200920151595U CN 201434948 Y CN201434948 Y CN 201434948Y
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- lcd
- projection
- display panels
- backboard
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Abstract
A liquid crystal display comprises a liquid crystal display panel, a backlight module and a circuit board, wherein the backlight module is arranged under the liquid crystal display panel and comprisesa back plate, an LED light source, a projection and a light guide plate, the LED light source is arranged in the back plate and comprises a base plate and a light-emitting diode, the projection and the light-emitting diode are both arranged on the base plate, the projection is provided with a first power contact, the light plate is arranged between the back plate and the liquid crystal display panel, the light plate is provided with a light-entrance face, a light-emitting side of each LED faces to the light-entrance face, the circuit board is arranged under the back plate and is electricallyconnected to the liquid crystal display panel, the circuit board is provided with a circuit arrangement and a second power contact, and the second power contact is correspondingly contacted with the first power contact of the projection.
Description
Technical field
The utility model relates to a kind of display, and particularly relevant for a kind of LCD.
Background technology
Along with industry is flourishing day by day, digitization tools such as mobile phone (mobile phone), digital camera (digitalcamera), digital camera (digital video camera), mobile computer (notebook) and desktop PC develop towards direction more convenient, multi-functional and attractive in appearance invariably.When using these information products, display screen is indispensable man-machine communication interface, and the operation that the display screen that sees through the said goods will can be the user brings more facility.Wherein, LCD has become the main flow of display screen.Yet, because the display panels of LCD itself can't be luminous, thus below display panels, must provide a module backlight so that light source to be provided, and then reach the function of demonstration.
Fig. 1 is that the solid of known a kind of module backlight is decomposed partial schematic diagram.Please refer to Fig. 1, module 100 backlight comprises backboard 110, LED source 120, light guide plate 130, glue frame 140, electric power connection line 150 and light source driving circuit plate 160, wherein LED source 120 and light guide plate 130 are configured between backboard 110 and the glue frame 140, and an end of electric power connection line 150 is connected in LED source 120, and its another end can pass outside the backboard 110 to be connected with light source driving circuit plate 160.
Fig. 2 A is the synoptic diagram that known a kind of electric power connection line is connected with LED source.Please refer to Fig. 2 A, known a kind of mode is that an end of electric power connection line 150 is connected in LED source 120 in the mode of hot pressing, and similarly, another end of electric power connection line 150 also is that the mode with hot pressing connects light source driving circuit plate 160.So, LED source 120 is electrically connected with light source driving circuit plate 160 by the electric power connection line 150 among Fig. 1.
Fig. 2 B is the synoptic diagram that known another kind of electric power connection line is connected with LED source.Please refer to Fig. 2 B, known another kind of mode is that connector 170 is set on LED source 120, and an end of electric power connection line 150 is plugged in the connector 170.Similarly, another connector 170 also is set on light source driving circuit plate 160, and another end that makes the electric power connection line 150 among Fig. 1 is plugged in the connector 170 on the light source driving circuit plate 160, so that LED source 120 is electrically connected with light source driving circuit plate 160 by electric power connection line 150.
Fig. 3 is the synoptic diagram of known liquid crystal display module.Please refer to Fig. 3, again a display panels 200 is configured on the module 100 backlight afterwards, cover display panels 200 with preceding frame 210 covers then, display panels 200 is fixed on the module 100 backlight, to form a LCD 300.
From the above, because electric power connection line 150 need utilize hot pressing or the mode of utilizing artificial assembling is to be connected between LED source 120 and the light source driving circuit plate 160, have the problem existence of hot pressing or artificial assembly failure easily.Moreover electric power connection line 150 need pass backboard 110 and could be connected with light source driving circuit plate 160, can't effectively reduce and assemble man-hour.In addition, be electrically connected with display panels 200 in addition to drive a display panels circuit board (not illustrating) of display panels 200 in the LCD 300.In other words, the backboard of LCD 300 has light source driving circuit plate 160 and these two circuit boards of liquid crystal display panel drive circuit plate for 110 times.
The utility model content
The utility model provides a kind of and can effectively save cost and reduce the assembling LCD in man-hour.
The utility model proposes a kind of LCD, comprise a display panels, a module backlight and a circuit board.Module backlight is disposed under the display panels, and this module backlight comprises a backboard, a LED source, a projection and a light guide plate.LED source is disposed in the backboard, and this LED source comprises a substrate and a plurality of light emitting diode, and wherein light emitting diode is disposed on the substrate.Projection is disposed on the substrate of LED source, and projection has a plurality of first power supply contacts.Light guide plate is disposed between backboard and the display panels, and light guide plate has an incidence surface, and a light-emitting area of each light emitting diode is towards incidence surface.Circuit board arrangement and is electrically connected on display panels under backboard, this circuit board has a circuit arrangement and a plurality of second source contact, and the corresponding contact of first power supply contact of second source contact and projection.
In an embodiment of LCD of the present utility model, the projection configuring area that above-mentioned substrate has a light emitting diode configuring area and is positioned at a side of light emitting diode configuring area, wherein light emitting diode is disposed at the light emitting diode configuring area, and first power supply contact is disposed at the projection configuring area.
In an embodiment of LCD of the present utility model, above-mentioned backboard has an opening, and opening exposes first power supply contact of projection.In addition, first power supply contact protrudes in backboard.
In an embodiment of LCD of the present utility model, the first above-mentioned power supply contact is salient point, shell fragment or connection pad.
In an embodiment of LCD of the present utility model, above-mentioned second source contact is salient point, shell fragment or connection pad.
In an embodiment of LCD of the present utility model, comprise that also cover covers a preceding frame of display panels, frame is fixed on the module backlight display panels before this.
In an embodiment of LCD of the present utility model, module backlight also comprises at least one blooming piece that is disposed between display panels and the light guide plate, and wherein blooming piece is the combination of diffusion sheet, prismatic lens, brightening piece or these diaphragms.
In an embodiment of LCD of the present utility model, also comprise a flexible flat bus cable (flexible flat cable) that is connected between display panels and the circuit board.
Based on above-mentioned, LCD of the present utility model is arranged on projection on the substrate of LED source, and first power supply contact and the second source contact of corresponding contact be set on circuit board and projection, make circuit board arrangement in backboard following time, corresponding first power supply contact and second source contact contact with each other to electrically connect, and make LED source luminous.Compared to known, in LCD of the present utility model, can reduce the setting of light source driving circuit plate and electric power connection line, so can save material cost.In addition, also reduced the step of electric power connection line being passed backboard and hot pressing or manually being assembled in the light source driving circuit plate, so can save artificial assembly cost and assembling man-hour.
For above-mentioned feature and advantage of the present utility model can be become apparent, embodiment cited below particularly, and cooperate appended graphic being described in detail below.
Description of drawings
Fig. 1 is the perspective exploded view of known a kind of module backlight.
Fig. 2 A is the synoptic diagram that known a kind of electric power connection line is connected with LED source.
Fig. 2 B is the synoptic diagram that known another kind of electric power connection line is connected with LED source.
Fig. 3 is the synoptic diagram of known liquid crystal display module.
Fig. 4 is the decomposition partial schematic diagram of the LCD of the utility model one embodiment.
Fig. 5 is the assembling partial schematic diagram of the LCD of Fig. 4.
Fig. 6 is the schematic side view of the LCD of Fig. 5.
Schematic perspective view when Fig. 7 does not place on the backboard of module backlight for the circuit board of Fig. 5.
Fig. 8 is the synoptic diagram of circuit board and display panels.
Fig. 9 A is the synoptic diagram that the another kind of first power supply contact is implemented the sample attitude.
Fig. 9 B is the synoptic diagram that the another kind of second source contact is implemented the sample attitude.
[primary clustering symbol description]
100,420: module 110,422 backlight: backboard
120,424: LED source 130,428: light guide plate
140: glue frame 150: electric power connection line
160: light source driving circuit plate 170: connector
200,410: display panels 210,450: preceding frame
300,400: LCD 422a: the light emitting diode configuring area
422b: projection configuring area 422c: opening
424a: substrate 424b: light emitting diode
424c: light-emitting area 426: projection
426a, 426a ': first power supply contact 427: blooming piece
428a: incidence surface 430: circuit board
434,434 ': second source contact 440: flexible flat bus cable
Embodiment
The upper and lower, left and right that following examples are lifted not are in order to limitation the utility model only in order to describe the relativeness between object in the icon.The reader should know that under different visual angles, identical assembly has different relativenesses in different figure.
Fig. 4 is that decomposition partial schematic diagram, Fig. 5 of the LCD of the utility model one embodiment is the assembling partial schematic diagram of the LCD of Fig. 4, and Fig. 6 is the schematic side view of the LCD of Fig. 5.Please also refer to Fig. 4, Fig. 5 and Fig. 6, LCD 400 comprises a display panels 410, one module 420 backlight and a circuit board 430.Module 420 backlight is disposed at display panels 410 times, and this module 420 backlight comprises a backboard 422, a LED source 424, a projection 426 and a light guide plate 428.LED source 424 is disposed in the backboard 422, and this LED source 424 comprises a substrate 424a and a plurality of light emitting diode 424b, and wherein light emitting diode 424b is disposed on the substrate 424a.Projection 426 is disposed on the substrate 424a of LED source 424, and the material of projection 426 is metal, and it has a plurality of first power supply contact 426a.Light guide plate 428 is disposed between backboard 422 and the display panels 410, and light guide plate 428 has an incidence surface 428a, and the light-emitting area 424c of each light emitting diode 424b is towards incidence surface 428a.Circuit board 430 is disposed at backboard 422 times (circuit board 430 is positioned on the backboard 422 in Fig. 5), and be electrically connected on display panels 410, this circuit board 430 has a circuit arrangement 432 and a plurality of second source contact 434, and the corresponding contact of the first power supply contact 426a of second source contact 434 and projection 426.When circuit board 430 was assembled to backboard 422 times, the second source contact 434 of circuit board 430 just can contact with the first power supply contact 426a of projection 426 and to start the light emitting diode 424b that makes LED source 424 luminous.Compared to known, the setting that LCD 400 of the present utility model has been saved light source driving circuit plate in the known LCD and has been connected in the electric power connection line between light source driving circuit plate and the LED source is so can save material cost and assembling man-hour.
Please continue with reference to figure 4, Fig. 5 and Fig. 6, substrate 422 has a light emitting diode configuring area 422a and a projection configuring area 422b, this projection configuring area 422b is positioned at the side of light emitting diode configuring area 422a, and light emitting diode 424b is disposed at this light emitting diode configuring area 422a, and the first power supply contact 426a is disposed at projection configuring area 422b.Schematic perspective view when Fig. 7 does not place on the backboard of module backlight for the circuit board of Fig. 5.Must explanation be because the visual angle that Fig. 5 illustrates is different with Fig. 4, so circuit board 430 appears to and is configured on the backboard 422 in Fig. 5.Fig. 8 is the synoptic diagram of circuit board and display panels.Please also refer to Fig. 7 and Fig. 8, backboard 422 also has an opening 422c, and opening 422c can expose the first power supply contact 426a of projection 426, and these first power supply contacts 426a can protrude in backboard 422.LCD 400 more comprises a flexible flat bus cable 440, and this flexible flat bus cable 440 is connected between display panels 410 and the circuit board 430, wherein the circuit arrangement 432 of circuit board 430 has liquid crystal display panel drive circuit with driving display panels 410, and LED source is tended to act circuit in order to the LED source circuit 424 of tending to act.
Please continue with reference to figure 4 and Fig. 6, module 420 backlight also comprises at least one blooming piece 427, and blooming piece 427 can be the combination of diffusion sheet, prismatic lens, brightening piece or diffusion sheet, prismatic lens and brightening piece, wherein schematically illustrates three blooming pieces 427 among Fig. 4 and Fig. 6.Blooming piece 427 is disposed between display panels 410 and the light guide plate 427.Moreover frame 450 covered display panels 410 in order to cover before LCD 400 also comprised one, and display panels 410 is fixed on the module 420 backlight.
When 420 groups of display panels 410 and modules backlight immediately, bending flexible flat bus cable 440 is so that circuit board 430 is configurable backboard 422 times, this moment circuit board 430 second source contact 434 can contact tabs 426 the first power supply contact 426a.Because the circuit arrangement 432 of circuit board 430 has the circuit of driving display panels 410 and the circuit of driven for emitting lights diode light-source 424 simultaneously, so display panels 410 can begin to have the transmission of sweep signal and data-signal, and the light emitting diode 424b of LED source 424 begins luminous.So, LCD 400 display frames.In present embodiment, the first power supply contact 426a is a salient point, and second source contact 434 is a connection pad, and utilizes opening 422c to expose the first power supply contact 426a of projection 426, can make the first power supply contact 426a and second source contact 434 that excellent contact is arranged.Present technique field tool knows that usually the knowledgeable can change the shape of the first power supply contact 426a and second source contact 434 according to demand, as long as allow the first power supply contact 426a and second source contact 434 that excellent contact can be arranged.Fig. 9 A is the synoptic diagram that the another kind of first power supply contact is implemented the sample attitude, and Fig. 9 B is the synoptic diagram of the another kind enforcement sample attitude of second source contact.For example, show as Fig. 9 A and Fig. 9 B that the first power supply contact 426a ' also can be a shell fragment, second source contact 434 ' also can be a salient point.
In sum, in LCD of the present utility model, known light source driving circuit is integrated in the known LCD in order on the circuit board that drives display panels, so can save the use of light source driving circuit plate and electric power connection line in the known module backlight, save material cost.In addition, originally just there was the circuit board group of making to be filled to step under the backboard in the upright process of the group of known LCD, do not increase extra number of assembling steps so the group of LCD of the present utility model is stood, also can reduce artificial number of assembling steps and man-hour because of the use that reduces light source driving circuit plate and electric power connection line.Moreover, just can to start LED source luminous because first power supply contact of the projection on the second source contact on the circuit board and the substrate that is arranged on LED source contacts, so compare known LCD, LCD of the present utility model also has the simple advantage of assembling mode.
Though the utility model with embodiment openly as above; right its is not in order to limit the utility model; have in the technical field under any and know the knowledgeable usually; in not breaking away from spirit and scope of the present utility model; when doing a little change and retouching, so protection domain of the present utility model is as the criterion when looking the aforesaid right claimed range person of defining.
Claims (9)
1. a LCD is characterized in that, comprising:
One display panels;
One module backlight is disposed under this display panels, and this module backlight comprises:
One backboard;
One LED source is disposed in this backboard, and this LED source comprises a substrate and a plurality of light emitting diode, and wherein those light emitting diodes are disposed on this substrate;
One projection is disposed on this substrate of this LED source, and this projection has a plurality of first power supply contacts;
One light guide plate is disposed between this backboard and this display panels, and this light guide plate has an incidence surface, and a light-emitting area of each light emitting diode is towards this incidence surface; And a circuit board, being disposed under this backboard, and being electrically connected on this display panels, this circuit board has a circuit arrangement and a plurality of second source contact, and the corresponding contact of those first power supply contacts of those second source contacts and this projection.
2. LCD as claimed in claim 1, it is characterized in that, this substrate has a light emitting diode configuring area and a projection configuring area, this projection configuring area is positioned at a side of this light emitting diode configuring area, and those light emitting diodes are disposed at this light emitting diode configuring area, and those first power supply contacts are disposed at this projection configuring area.
3. LCD as claimed in claim 1 is characterized in that this backboard has an opening, and this opening exposes those first power supply contacts of this projection.
4. LCD as claimed in claim 3 is characterized in that, those first power supply contacts protrude in this backboard.
5. LCD as claimed in claim 1 is characterized in that, those first power supply contacts are salient point, shell fragment or connection pad.
6. LCD as claimed in claim 1 is characterized in that, those second source contacts are salient point, shell fragment or connection pad.
7. LCD as claimed in claim 1 is characterized in that, also comprises a preceding frame, and cover covers this display panels, and this display panels is fixed on this module backlight.
8. LCD as claimed in claim 1 is characterized in that, this module backlight also comprises at least one blooming piece, is disposed between this display panels and this light guide plate.
9. LCD as claimed in claim 1 is characterized in that, also comprises a flexible flat bus cable, is connected between this display panels and this circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201515955U CN201434948Y (en) | 2009-04-30 | 2009-04-30 | Liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201515955U CN201434948Y (en) | 2009-04-30 | 2009-04-30 | Liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201434948Y true CN201434948Y (en) | 2010-03-31 |
Family
ID=42053761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201515955U Expired - Fee Related CN201434948Y (en) | 2009-04-30 | 2009-04-30 | Liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201434948Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956938A (en) * | 2010-09-21 | 2011-01-26 | 友达光电（苏州）有限公司 | Backlight module and liquid crystal display |
| CN102777867A (en) * | 2012-08-06 | 2012-11-14 | 深圳市华星光电技术有限公司 | Elastic sheet type connector used for backlight module |
| WO2013082829A1 (en) * | 2011-12-06 | 2013-06-13 | 深圳市华星光电技术有限公司 | Light strip assembly and backlight module |
| US8721155B2 (en) | 2011-12-06 | 2014-05-13 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Light bar assembly and backlight module |
| CN107065257A (en) * | 2011-12-30 | 2017-08-18 | 三星电子株式会社 | Display device |
-
2009
- 2009-04-30 CN CN2009201515955U patent/CN201434948Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956938A (en) * | 2010-09-21 | 2011-01-26 | 友达光电（苏州）有限公司 | Backlight module and liquid crystal display |
| WO2013082829A1 (en) * | 2011-12-06 | 2013-06-13 | 深圳市华星光电技术有限公司 | Light strip assembly and backlight module |
| US8721155B2 (en) | 2011-12-06 | 2014-05-13 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Light bar assembly and backlight module |
| CN107065257A (en) * | 2011-12-30 | 2017-08-18 | 三星电子株式会社 | Display device |
| CN102777867A (en) * | 2012-08-06 | 2012-11-14 | 深圳市华星光电技术有限公司 | Elastic sheet type connector used for backlight module |
| WO2014023037A1 (en) * | 2012-08-06 | 2014-02-13 | 深圳市华星光电技术有限公司 | Elastic sheet type connector for backlight module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100331 Termination date: 20170430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |