CN101063770A - Liquid crystal display unit - Google Patents
Liquid crystal display unit Download PDFInfo
- Publication number
- CN101063770A CN101063770A CN 200610060531 CN200610060531A CN101063770A CN 101063770 A CN101063770 A CN 101063770A CN 200610060531 CN200610060531 CN 200610060531 CN 200610060531 A CN200610060531 A CN 200610060531A CN 101063770 A CN101063770 A CN 101063770A
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- CN
- China
- Prior art keywords
- liquid crystal
- light
- crystal indicator
- circuit board
- cabling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
This invention relates to one LCD display device, which comprises one LCD panel, one light conductive board overlapped with the LCD panel, one light element on one side of light conductive board, one load light element connector and one flexible circuit board, wherein the panel comprises multiple lines and conductive terminals; the line is set on edge of LCD panel and the conductive terminal is set on exit end of line; the flexible circuit board and LCD panel line are connected; the light element are orderly through electrical connector, conducive terminal connected to the outer source; the LCD display device is environmental friendly.
Description
[technical field]
The present invention relates to a kind of liquid crystal indicator.
[background technology]
Now, lcd technology has been widely used in fields such as TV, personal computer, mobile phone.Common liquid crystal indicator generally includes reflective LCD device, penetration liquid crystal display device and Transflective liquid crystal indicator.As penetration liquid crystal display device and Transflective liquid crystal indicator, all needing provides liquid crystal display required light source by lighting device, wherein (Light EmittingDiode LED) because have advantages such as energy-conservation, that the life-span is long, and is widely used light emitting diode.
Seeing also Fig. 1, is a kind of side view of prior art liquid crystal indicator.This liquid crystal indicator 10 comprises a liquid crystal panel 11, an optical diaphragm group 12, a light guide plate 13, a light emitting diode 14, first flexible circuit board 15, second flexible circuit board 16 and a printed circuit board (PCB) 17.This light guide plate 13 provides planar light for this liquid crystal panel 11.This first flexible circuit board 15 is used for realizing being electrically connected of this liquid crystal panel 11 and this printed circuit board (PCB) 17.This light emitting diode 14 provides back light for this liquid crystal indicator 10, and it is arranged on this light guide plate 13 1 sides, and is welded on an end of this second flexible circuit board 16, and the other end of this second flexible circuit board 16 is connected on this printed circuit board (PCB) 17.
But, this light emitting diode 14 is to utilize solder technology to be installed on this second flexible circuit board 16, thus realize with this printed circuit board (PCB) 17 between be electrically connected because welding process need be used tin lead material, can pollute surrounding environment, can not reach environmental protection requirement
[summary of the invention]
Higher and the problem that pollutes is necessary to provide a kind of liquid crystal indicator than environmental protection in order to solve the plumbous utilization rate of prior art LCD tin.
A kind of liquid crystal indicator, it comprises that a liquid crystal panel, is positioned at the light-emitting component of this light guide plate one side, the electric connector and a flexible circuit board that links to each other with this liquid crystal panel of this light-emitting component of carrying with the light guide plate, of the stacked setting of this liquid crystal panel.This liquid crystal panel comprises a cabling and a conducting terminal.This cabling is arranged on this liquid crystal panel avris, and this conducting terminal is arranged on the output of this cabling.This flexible circuit board is electrically connected with the cabling of this liquid crystal panel.This light-emitting component links to each other with external power source through this electric connector, this conducting terminal, this cabling and this flexible circuit board successively.
Compared with prior art, thus the light-emitting component of above-mentioned liquid crystal indicator realize and being electrically connected of this flexible circuit board through the conducting terminal of this electric connector, this liquid crystal panel and this cabling.This syndeton can be avoided between original light-emitting component and the circuit board by being electrically connected that welding realizes, thereby reduces the plumbous use of tin, makes the environmental protection more of this liquid crystal indicator.
[description of drawings]
Fig. 1 is a kind of side view of prior art liquid crystal indicator.
Fig. 2 is the side view of liquid crystal indicator first embodiment of the present invention.
Fig. 3 is the schematic perspective view of the liquid crystal panel of liquid crystal indicator shown in Figure 2.
Fig. 4 is the side view of liquid crystal indicator second embodiment of the present invention.
[embodiment]
Fig. 2 is the side view of liquid crystal indicator first embodiment of the present invention.This liquid crystal indicator 20 comprises a liquid crystal panel 21, an optical diaphragm group 22, a light guide plate 23, a flexible circuit board 24, an electric connector 25, a light emitting diode 26 and a printed circuit board (PCB) 27.
This liquid crystal panel 21, this optical diaphragm group 22, this light guide plate 23 are cascading from top to bottom with this printed circuit board (PCB) 27.This light guide plate 23 provides planar light for this liquid crystal panel 21.This flexible circuit board 24 is used for realizing being electrically connected between this liquid crystal panel 21 and this printed circuit board (PCB) 27.This light emitting diode 26 is back lights of this liquid crystal indicator 20, and it is by these electric connector 25 carryings and be fixed on this light guide plate 23 1 sides.
See also Fig. 3, Fig. 3 is the schematic perspective view of the liquid crystal panel 21 of this liquid crystal indicator 20.This liquid crystal panel 21 comprises that a upper substrate 211, an infrabasal plate 213 and are clamped in the liquid crystal layer 212 between this upper substrate 211 and the infrabasal plate 213.This infrabasal plate 213 has an elongated end 214, and this elongated end 214 is provided with two conducting terminals 215 and many cablings 216.This cabling 216 is tin indium oxide (the Indium Tin Oxide that form through deposition etch technology, ITO) or indium zinc oxide (Indium Zinc Oxide, IZO) structure, intermediate portion part is electrically connected with this flexible circuit board 24, method of attachment adopts winding to engage (Tape Automatic Bonding automatically usually, TAB) technology, glass flip chip (Chip On Glass, COG) technology or membrane of flip chip (Chip On Film, COF) technology.This conducting terminal 215 is to be formed by the metal sheet manufacturing, and it is fastened on two outputs of these cabling 216 pins, thereby is electrically connected with this printed circuit board (PCB) 27 through this cabling 216 and flexible circuit board 24.
This electric connector 25 has two power supply exits 251, the power supply of this light emitting diode 26 is electrically connected with the conducting terminal 215 of this liquid crystal panel 21 through this power supply exit 251, then this light emitting diode 26 is lighted required power supply and can be passed through this power supply exit 251, this conducting terminal 215 and 216 conductings of this cabling in regular turn to this flexible circuit board 24, thereby constitutes a complete current supply circuit.
Because the light emitting diode 26 of this liquid crystal indicator 20 is conducting terminal 215 places that are connected to infrabasal plate 213 by the power supply exit 251 of this electric connector 25, this conducting terminal 215 is fastened on the output of this cabling 216 again, realizes and being electrically connected of flexible circuit board 24 through this cabling 216 again.Therefore, this syndeton can be avoided the electrical connection realized by welding between the light-emitting component and circuit board in the prior art, and then reduces the plumbous use of tin, makes this liquid crystal indicator 20 environmental protection more.
Fig. 4 is the side view of liquid crystal indicator second embodiment of the present invention.This liquid crystal indicator 30 and the first embodiment liquid crystal indicator 20 are basic identical, and its difference is: the inwall place of the electric connector 35 of this liquid crystal indicator 30 also is coated with one deck reflecting material 352.The material of this reflecting material 352 be generally titania, aluminium (Aluminum, AL) or silver (Argentums, Ag), it can utilize this light guide plate 33 of part emergent light reflected back of this light emitting diode 36 again, thereby the increase light utilization efficiency.
Claims (10)
1. liquid crystal indicator, it comprises: a liquid crystal panel, one with the light guide plate of the stacked setting of this liquid crystal panel, one is positioned at the light-emitting component of this light guide plate one side, the electric connector and a flexible circuit board of one this light-emitting component of carrying, it is characterized in that: this liquid crystal panel comprises a cabling and a conducting terminal, this cabling is arranged on this liquid crystal panel avris, this conducting terminal is positioned at the output terminal of this cabling, this flexible circuit board is electrically connected with this cabling, and this light-emitting component passes through this electric connector successively, this conducting terminal, this cabling and this flexible circuit board link to each other with external power source.
2. liquid crystal indicator as claimed in claim 1, it further comprises a printed circuit board (PCB) that is electrically connected with this flexible circuit board.
3. liquid crystal indicator as claimed in claim 1 is characterized in that: this liquid crystal panel comprises that further two relative substrates and are clamped in the liquid crystal layer between the two substrates.
4. liquid crystal indicator as claimed in claim 3 is characterized in that: this cabling is arranged on wherein on the substrate.
5. liquid crystal indicator as claimed in claim 1 is characterized in that: this electric connector comprises the power supply exit that links to each other with this conducting terminal, and this light-emitting component is electrically connected with this conducting terminal through this power supply exit.
6. liquid crystal indicator as claimed in claim 1 is characterized in that: the material of this conducting terminal is a metal sheet.
7. liquid crystal indicator as claimed in claim 1 is characterized in that: the material of this cabling is tin indium oxide or indium zinc oxide.
8. liquid crystal indicator as claimed in claim 1 is characterized in that: this light-emitting component is a light emitting diode.
9. liquid crystal indicator as claimed in claim 1 is characterized in that: this electric connector has a reflecting material towards a side of this light-emitting component.
10. liquid crystal indicator as claimed in claim 9 is characterized in that: the material of this reflecting material is titania, aluminium or silver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100605315A CN100529902C (en) | 2006-04-28 | 2006-04-28 | Liquid crystal display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100605315A CN100529902C (en) | 2006-04-28 | 2006-04-28 | Liquid crystal display unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101063770A true CN101063770A (en) | 2007-10-31 |
| CN100529902C CN100529902C (en) | 2009-08-19 |
Family
ID=38964894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100605315A Expired - Fee Related CN100529902C (en) | 2006-04-28 | 2006-04-28 | Liquid crystal display unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100529902C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630077B (en) * | 2009-08-21 | 2011-02-09 | 友达光电（苏州）有限公司 | Liquid crystal display module |
| CN102595845A (en) * | 2012-03-27 | 2012-07-18 | 深圳市华星光电技术有限公司 | Printed circuit board component fixing mechanism and liquid crystal displayer thereof |
| US8743312B2 (en) | 2012-03-27 | 2014-06-03 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Fixing structure for printed circuit board assembly and liquid crystal display using the same |
-
2006
- 2006-04-28 CN CNB2006100605315A patent/CN100529902C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630077B (en) * | 2009-08-21 | 2011-02-09 | 友达光电（苏州）有限公司 | Liquid crystal display module |
| CN102595845A (en) * | 2012-03-27 | 2012-07-18 | 深圳市华星光电技术有限公司 | Printed circuit board component fixing mechanism and liquid crystal displayer thereof |
| WO2013143189A1 (en) * | 2012-03-27 | 2013-10-03 | 深圳市华星光电技术有限公司 | Printed circuit board component fixing mechanism and liquid crystal display device thereof |
| US8743312B2 (en) | 2012-03-27 | 2014-06-03 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Fixing structure for printed circuit board assembly and liquid crystal display using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100529902C (en) | 2009-08-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20090819 Termination date: 20190428 |