CN201508444U - Liquid crystal back light structure capable of being made to present various back light colors - Google Patents
Liquid crystal back light structure capable of being made to present various back light colors Download PDFInfo
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- CN201508444U CN201508444U CN2009201324407U CN200920132440U CN201508444U CN 201508444 U CN201508444 U CN 201508444U CN 2009201324407 U CN2009201324407 U CN 2009201324407U CN 200920132440 U CN200920132440 U CN 200920132440U CN 201508444 U CN201508444 U CN 201508444U
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- backlight
- light
- color
- guide plate
- back light
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Abstract
The utility model provides a liquid crystal back light structure capable of being made to present various back light colors, which can provide the back light in various colors for a black-and-white liquid crystal screen under the condition of not depending on the light emitting color of an LED lamp. The liquid crystal back light structure comprises a light conducting plate and a back light source, wherein one surface of the light conducting plate is a light outlet surface, the other surface of the light conducting plate is provided with a reflecting film, a color diffusion film is arranged on the light outlet surface of the light conducting plate, the color diffusion film is a semitransparent thin film body, and a fluorescent oil layer is arranged on the surface of the color diffusion film in a silk-screen method. The utility model can be conveniently assembly according to the requirements of customers without regulating and designing the circuit parameters, and the structure is simple and practical.
Description
Technical field
The utility model relates to a kind of LCDs, particularly relates to a kind of backing structure of LCDs.
Background technology
Along with developing rapidly of science and technology, LCD becomes the major product of display device.LCD is exactly to utilize information such as liquid crystal display image and literal as its name suggests, but liquid crystal itself can be not luminous, can't see the information of demonstration under the environment of dark.In order under the environment of dark, to see the content of liquid crystal display displays, just loaded onto backlight at the back side of LCD panel, illuminate display surface by backlight.Therefore LCD is divided into two parts, the liquid crystal panel of front and the backlight of back.
In the prior art, why the display of black-and-white crystal panel can show some colors, be because backlight has different colors, and the color of backlight is the color that depends on light emitting diode, the color of light emitting diode seldom, these are several to have only redness, orange, amber, yellow green, green, blueness and white now, so the display of present black-and-white crystal panel can only show redness, orange, amber, yellow green, green, blueness and these several colors of white, this lacks a lot than natural color.And the color of black-and-white crystal screen demonstration relies on the glow color of LED, and the electrical quantitys such as the needed voltage of LED of different colours and inconsistent, this just need carry out product design and adjustment at dissimilar LED, and production brings certain complicacy to entire product for this.
The utility model content
Problem to be solved in the utility model is: a kind of LCD backlight structure that can be made into multiple backlight color is provided, and this structure can not depend under the glow color situation of LED lamp, provides the backlight of multiple color to the black-and-white crystal screen.
In order to solve the problems of the technologies described above, the utility model proposes a kind of LCD backlight structure that can be made into multiple backlight color, comprise light guide plate and backlight, the one side of light guide plate is an exiting surface, another side is provided with reflectance coating, be provided with colored diffusion barrier on the exiting surface of described light guide plate, colored diffusion barrier is a semitransparent thin film body, and its surperficial silk-screen has the fluorescence oil reservoir.
Preferably: described backlight is the LED lamp source.
Preferably: described backlight is a fluorescent light.
Preferably: the side in described light guide plate is equipped with backlight.
Preferably: be provided with backlight or dual-side is provided with backlight in a side of described light guide plate.
Preferably: on the one side that is provided with reflectance coating of described light guide plate, be provided with backlight.
Preferably: described LED lamp source is a white light source.
Preferably: described LED lamp source comprises the LED fluorescent tube, and the LED fluorescent tube is to be formed by the packaging plastic encapsulation monochromatic LED encapsulation that has fluorescent powder.
Preferably: described LED lamp source comprises the LED fluorescent tube, and the luminescence chip of LED fluorescent tube is the three-primary colours led chip.
The beneficial effects of the utility model are as follows:
Compared to existing technology, by the backlight that sends different colours is provided, realize providing the situation of different backlight colors to the black-and-white crystal screen, the utility model does not need the backlight of multiple color to realize multiple color backlight of black-and-white crystal screen, can realize that black-and-white crystal shields the demand backlight of multiple color and only a colored diffusion barrier that is fixed with certain color fluoroleum need be increased in the light guide plate front, as the colored diffusion barrier that contains red fluorescence oil can provide red backlight to black-and-white crystal screen, and the colored diffusion barrier that contains blue-fluorescence oil can provide blue backlight to the black-and-white crystal screen.The utility model is convenient to be assembled according to customer demand, and need not circuit parameter is adjusted and designed, simple in structure, practical.
Figure of description
Figure is a structural representation of the present utility model.
Embodiment
The utility model provides a kind of LCD backlight structure that can be made into multiple backlight color.
The embodiment of the backing structure of black-and-white crystal screen as shown in the figure is provided with backlight in a side of light guide plate 1, and backlight is a LED lamp source 4 of sending white light, and LED lamp source 4 is made up of LED fluorescent tube 400 and circuit board 401.LED fluorescent tube 400 is to be formed by the packaging plastic encapsulation monochromatic LED encapsulation that has fluorescent powder.
The one side of light guide plate 1 is an exiting surface 100, and another side promptly is provided with reflectance coating 3 before second 101.Be provided with colored diffusion barrier 2 on the exiting surface 100 of light guide plate 1, colored diffusion barrier 2 is a semitransparent thin film body (a pad machine film), and its surperficial silk-screen has the fluorescence oil reservoir.
The utility model silk-screen fluorescent oil (color can be allocated arbitrarily) on translucent pad machine film is made versicolor expansion film.Colour diffusion is touched by diagramatic way and light guide plate, circuit board, LED, reflectance coating composition colored backlight source.Former technology be make with the color of light-emitting diodes self versicolor backlight, the color of light emitting diode seldom, these are several to have only red, orange, amber, yellow green, green, blueness and white, and use product of the present utility model can make color backlight reach any color that you want.
On white light-emitting diode welding and the circuit board, light light emitting diode by the circuit board energized, the light that light emitting diode sends comes out in the surface emitting of leaded light through the propagation of light guide plate, the light of bottom surface of light guide plate and side reflexes to the front through reflectance coating, equal white light is sent in front in light guide plate, white light is during through colored diffusion barrier, the light that diffusion barrier absorbs a part of wave band is only conveyed the light transmission of the wave band of the identical color of diffusion barrier, makes the surface of diffusion barrier send light with the diffusion barrier same color.Promptly can change color backlight by the color relation that changes diffusion barrier.
Claims (9)
1. LCD backlight structure that can be made into multiple backlight color, comprise light guide plate and backlight, the one side of light guide plate is an exiting surface, another side is provided with reflectance coating, it is characterized in that: on the exiting surface of described light guide plate, be provided with colored diffusion barrier, colored diffusion barrier is a semitransparent thin film body, and its surperficial silk-screen has the fluorescence oil reservoir.
2. the LCD backlight structure that can be made into multiple backlight color according to claim 1 is characterized in that: described backlight is the LED lamp source.
3. the LCD backlight structure that can be made into multiple backlight color according to claim 1 is characterized in that: described backlight is a fluorescent light.
4. the LCD backlight structure that can be made into multiple backlight color according to claim 1, it is characterized in that: the side in described light guide plate is equipped with backlight.
5. the LCD backlight structure that can be made into multiple backlight color according to claim 4 is characterized in that: be provided with backlight or dual-side is provided with backlight in a side of described light guide plate.
6. the LCD backlight structure that can be made into multiple backlight color according to claim 1 is characterized in that: be provided with backlight on the one side that is provided with reflectance coating of described light guide plate.
7. the LCD backlight structure that can be made into multiple backlight color according to claim 2 is characterized in that: described LED lamp source is a white light source.
8. according to claim 2 or the 7 described LCD backlight structures that can be made into multiple backlight color, it is characterized in that: described LED lamp source comprises the LED fluorescent tube, and the LED fluorescent tube is to be formed by the packaging plastic encapsulation monochromatic LED encapsulation that has fluorescent powder.
9. according to claim 2 or the 7 described LCD backlight structures that can be made into multiple backlight color, it is characterized in that: described LED lamp source comprises the LED fluorescent tube, and the luminescence chip of LED fluorescent tube is the three-primary colours led chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201324407U CN201508444U (en) | 2009-06-02 | 2009-06-02 | Liquid crystal back light structure capable of being made to present various back light colors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201324407U CN201508444U (en) | 2009-06-02 | 2009-06-02 | Liquid crystal back light structure capable of being made to present various back light colors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201508444U true CN201508444U (en) | 2010-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201324407U Expired - Fee Related CN201508444U (en) | 2009-06-02 | 2009-06-02 | Liquid crystal back light structure capable of being made to present various back light colors |
Country Status (1)
| Country | Link |
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| CN (1) | CN201508444U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102385094A (en) * | 2010-08-27 | 2012-03-21 | 比亚迪股份有限公司 | Light guide plate and fabrication method thereof |
| CN102705724A (en) * | 2011-03-28 | 2012-10-03 | 台湾积体电路制造股份有限公司 | Light cavity that improves light output uniformity |
| CN102878531A (en) * | 2012-09-13 | 2013-01-16 | 昆山市诚泰电气股份有限公司 | Light guiding and color changing diffusion layer |
| CN102943972A (en) * | 2011-08-15 | 2013-02-27 | 昆山顺景光电有限公司 | High-brightness yellow-green LED backlight source |
| CN103791353A (en) * | 2012-10-30 | 2014-05-14 | 南京灿华光电设备有限公司 | Vehicle instrument panel backlit structure |
| CN106226955A (en) * | 2016-09-29 | 2016-12-14 | 深圳市宇顺工业智能科技有限公司 | Display |
-
2009
- 2009-06-02 CN CN2009201324407U patent/CN201508444U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102385094A (en) * | 2010-08-27 | 2012-03-21 | 比亚迪股份有限公司 | Light guide plate and fabrication method thereof |
| CN102705724A (en) * | 2011-03-28 | 2012-10-03 | 台湾积体电路制造股份有限公司 | Light cavity that improves light output uniformity |
| CN102943972A (en) * | 2011-08-15 | 2013-02-27 | 昆山顺景光电有限公司 | High-brightness yellow-green LED backlight source |
| CN102878531A (en) * | 2012-09-13 | 2013-01-16 | 昆山市诚泰电气股份有限公司 | Light guiding and color changing diffusion layer |
| CN103791353A (en) * | 2012-10-30 | 2014-05-14 | 南京灿华光电设备有限公司 | Vehicle instrument panel backlit structure |
| CN106226955A (en) * | 2016-09-29 | 2016-12-14 | 深圳市宇顺工业智能科技有限公司 | Display |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen Dixian Electronics Co., Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20170602 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |