CN103616780B - Black-background liquid crystal display with high definition and manufacturing technology thereof - Google Patents
Black-background liquid crystal display with high definition and manufacturing technology thereof Download PDFInfo
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- CN103616780B CN103616780B CN201310618272.3A CN201310618272A CN103616780B CN 103616780 B CN103616780 B CN 103616780B CN 201310618272 A CN201310618272 A CN 201310618272A CN 103616780 B CN103616780 B CN 103616780B
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 64
- 238000005516 engineering process Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 8
- 239000011521 glass Substances 0.000 claims description 34
- 239000002131 composite material Substances 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 8
- -1 frame Substances 0.000 claims description 3
- 230000001795 light effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 2
- 239000000126 substance Substances 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
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Abstract
The invention discloses a black-background liquid crystal display with the high definition and a manufacturing technology thereof. By means of the existing LCD manufacturing technique and the characteristic of DBEF-A selective light reflection, the black-background liquid crystal display with the high definition can be manufactured. Compared with the prior art, the black-background liquid crystal display with the high definition and the manufacturing technology thereof have the advantages that the background is black when no backlight exists, bright and reflective patterns are displayed clearly, and the contrast ratio is high; the background is black when the backlight is started, patterns with a color the same as that of the backlight are displayed, and the brightness is high; as a result, no matter whether the backlight exists or not, the contract ratio is high, the definition is high, and the effects of low power consumption, energy saving and power saving are achieved; by the adoption of the black-background liquid crystal display with the high definition, the TN mode and the STN mode can be manufactured; for the TN mode, the background is whiter, the contract ratio is higher, and the price is lower; for the STN mode, the visual angle is wider, and more contents can be displayed.
Description
Technical field
The present invention relates to display technology field, especially a kind of liquid crystal display.
Background technology
Liquid crystal display is a kind of flat-panel screens being widely used, and has low in energy consumption, slim body, lightweight and drive
The low feature of dynamic voltage.Liquid crystal display itself can not light, and relies on modulation ambient light to realize display.Custom liquid crystals display mode
There are the suitable low path number TN display pattern driving and the STN display pattern being suitable for high way driving.Liquid crystal display is divided into light color
The negative phenotype in the just aobvious and dark-background shallow calligraphy and painting face of background dark color picture, negative phenotype liquid crystal display (especially black background
Liquid crystal display) there is higher contrast.But common common-black type liquid crystal display contrast in no backlight is very poor,
It is unable to reach using effect.With the continuous development of human sciences's technology, the needs of people's real life, various new display sides
Formula is developed successively.The lcd technology that under black background, bright scene shows is also one of them.
Content of the invention
It is an object of the invention to provide a kind of black background liquid crystal display with bright scene and its manufacturing process,
Using the feature of existing LCD production technology and the reflection of DBEF-A selective light, black background bright scene liquid crystal can be produced
Display.There is simple, the bright, picture of making and show clearly advantage.Make product have or not product during backlight be attained by high right
The ratio effect of degree, uses in no backlight, may also reach up the effect of low-power consumption, energy-conservation, power saving, using existing LCD device and
Technique productions, make simple, cheap.
For achieving the above object, the present invention employs the following technical solutions realization：
A kind of black background liquid crystal display with bright scene, including upper polaroid, ito glass, frame, liquid crystal
Layer, down polaroid, DBEF-A, are separated by liquid crystal layer in the middle of two panels ito glass, upper polaroid be arranged on upper strata ito glass outer with
The parallel connection of upper strata ito glass, down polaroid is arranged on the outer connection parallel with lower floor ito glass of lower floor's ito glass, and its feature exists
In described upper polaroid adopts TN high-polarization polaroid or STN composite membrane, and down polaroid adopts high-polarization polarisation
Piece, is pasted with DBEF-A diaphragm in the outermost layer of down polaroid.
The key manufacturing technology of the black background liquid crystal display of described bright scene, using following steps：
1) upper polaroid adopts TN high-polarization polaroid or STN composite membrane；Display pattern is TN pattern, upper polaroid
Then using high-polarization transmission piece；Display pattern is STN mode, and STN composite membrane uses 580nm, the composite membrane of 45 ° of compensation；Make
Display background is black；
2) down polaroid adopts high-polarization polaroid, is pasted with DBEF-A diaphragm in the outermost layer of down polaroid；Realize
Black background becomes clear and shows；
3), during no-voltage, display assumes black background；During making alive, assume bright display picture.
Compared with prior art, the invention has the beneficial effects as follows：
Present invention background in no backlight is black, the bright reflective pattern of display, clear patterns, good contrast；The back of the body
When light source is opened, background is black, the pattern of display backlight color, and brightness is high.Can realize, no in the case of backlight all
The contrast having had, picture is clear, and reaches the effect of low-power consumption, energy-conservation, power saving；Under black background, bright scene shows
Device, can make TN pattern and STN mode, and the background of TN pattern is whiter, and contrast is higher, and price is lower；STN mode visual angle is more
Width, display content is more.
Brief description
Fig. 1 is the structure chart of the present invention.
Fig. 2 is displaying principle figure when LED-backlit is closed.
Fig. 3 is displaying principle figure when LED-backlit is opened.
1- upper polaroid 2-ITO glass 3- frame 4- liquid crystal layer 5- down polaroid 6-DBEF-A diaphragm
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is further illustrated：
As shown in figure 1, having the black background liquid crystal display of bright scene, by upper polaroid 1, ito glass 2, frame
3rd, liquid crystal layer 4, down polaroid 5 and DBEF-A diaphragm 6 form, and are separated by liquid crystal layer 4 in the middle of two panels ito glass 2, upper polaroid 1
Be arranged on the outer connection parallel with upper strata ito glass 2 of upper strata ito glass 2, down polaroid 5 be arranged on lower floor's ito glass 2 outer and under
The layer parallel connection of ito glass 2, upper polaroid 1 adopts TN high-polarization polaroid or STN composite membrane, and down polaroid 5 is using high
Degree of polarization polaroid, is pasted with DBEF-A diaphragm 6 in the outermost layer of down polaroid 5.
The key manufacturing technology of the black background liquid crystal display of bright scene, using following steps：
1) upper polaroid 1 adopts TN high-polarization polaroid or STN composite membrane；Display pattern is TN pattern, upper polarisation
Piece 1 is then using high-polarization transmission piece；Display pattern is STN mode, and STN composite membrane uses 580nm, the composite membrane of 45 ° of compensation；
Display background is made to be black；
2) down polaroid 5 adopts high-polarization polaroid, is pasted with DBEF-A diaphragm 6 in the outermost layer of down polaroid 5；Real
Existing black background becomes clear and shows；
3), during no-voltage, display assumes black background；During making alive, assume bright display picture.
Embodiment 1：
When LED backlight is closed, as shown in Figure 2.
S light, P light are natural light, and direction of vibration is different.When display no-voltage drives, liquid crystal molecules parallel is in glass
Upper and lower base plate, levels liquid crystal molecule forms 90 degree or 240 degree and distorts, and light P light when upper polaroid absorbed, and S light is worn
Cross liquid crystal and be changed into P light, compensate with upper down polaroid, light is absorbed by down polaroid, assumes black background, and no-reflection effect.
When there being voltage to drive, perpendicular to upper and lower base plate, when upper polaroid 1, P light is absorbed light liquid crystal molecule, S light
Through upper polaroid 1, liquid crystal layer 4, down polaroid 5, on light transmission, down polaroid is reflected by DBEF-A film 6, again passes through lower inclined
Mating plate 5, liquid crystal layer 4, upper polaroid 1, assume bright display picture.
Embodiment 2：
When LED backlight is opened, displaying principle is as shown in Figure 3：
When display no-voltage drives, liquid crystal molecules parallel is formed in the upper and lower base plate of glass, levels liquid crystal molecule
90 degree or 240 degree distortions, are compensated with upper down polaroid, and light P light when down polaroid 5 is absorbed, and S light becomes through liquid crystal layer 4
For P light, light is absorbed by upper polaroid, is shown as the impermeable light effect of black.
When there being voltage to drive, perpendicular to upper and lower base plate, light transmission DBEF-A diaphragm 6, light are through lower polarisation for liquid crystal molecule
Piece 5, P light is absorbed, and S light passes through down polaroid 5, liquid crystal layer 4, upper polaroid 1, forms the figure shows of backlight color.ITO glass
The ito glass substrate of thinner thickness selected by glass substrate.
Claims (2)
1. a kind of black background liquid crystal display with bright scene, including upper polaroid, ito glass, frame, liquid crystal layer,
Down polaroid, DBEF-A diaphragm, are separated by liquid crystal layer in the middle of two panels ito glass, upper polaroid be arranged on upper strata ito glass outer with
The parallel connection of upper strata ito glass, down polaroid is arranged on the outer connection parallel with lower floor ito glass of lower floor's ito glass, and its feature exists
In described upper polaroid adopts TN high-polarization polaroid, and down polaroid adopts high-polarization polaroid, in down polaroid
Outermost layer is pasted with DBEF-A diaphragm；Using the feature of existing LCD production technology and the reflection of DBEF-A selective light, produce
Black background bright scene liquid crystal display；In no backlight, background is black, the bright reflective pattern of display；Backlight is opened
When background be black, the pattern of display backlight color；Concrete operating principle is：
When LED backlight is closed；
S light, P light are natural light, and direction of vibration is different；When display no-voltage drives, liquid crystal molecules parallel is upper in glass
Infrabasal plate, levels liquid crystal molecule forms 90 degree or 240 degree distortions, and light P light when upper polaroid is absorbed, and S light passes through liquid
Crystalline substance is changed into P light, compensates with upper down polaroid, light is absorbed by down polaroid, assumes black background, and no-reflection effect；
When there being voltage to drive, perpendicular to upper and lower base plate, when upper polaroid, P light is absorbed light liquid crystal molecule, and S light passes through upper
Polaroid, liquid crystal layer, down polaroid, on light transmission, down polaroid is reflected by DBEF-A film, again passes through down polaroid, liquid crystal
Layer, upper polaroid, assume bright display picture；
When LED backlight is opened；
When display no-voltage drives, liquid crystal molecules parallel forms 90 degree in the upper and lower base plate of glass, levels liquid crystal molecule
Or 240 degree of distortions, compensate with upper down polaroid, light P light when down polaroid is absorbed, and S light is changed into P light through liquid crystal layer,
Light is absorbed by upper polaroid, is shown as the impermeable light effect of black；
When there being voltage to drive, liquid crystal molecule perpendicular to upper and lower base plate, light transmission DBEF-A diaphragm, through down polaroid, P light quilt
Absorb, S light passes through down polaroid, liquid crystal layer, upper polaroid, form the figure shows of backlight color.
2. a kind of black background liquid crystal display with bright scene, including upper polaroid, ito glass, frame, liquid crystal layer,
Down polaroid, DBEF-A diaphragm, are separated by liquid crystal layer in the middle of two panels ito glass, upper polaroid be arranged on upper strata ito glass outer with
The parallel connection of upper strata ito glass, down polaroid is arranged on the outer connection parallel with lower floor ito glass of lower floor's ito glass, and its feature exists
In described upper polaroid adopts STN composite membrane, and STN composite membrane uses 580nm, the composite membrane of 45 ° of compensation；Down polaroid is adopted
Use high-polarization polaroid, be pasted with DBEF-A diaphragm in the outermost layer of down polaroid；Using existing LCD production technology and
The feature of DBEF-A selective light reflection, produces black background bright scene liquid crystal display；In no backlight, background is black
Color, the bright reflective pattern of display；When backlight is opened, background is black, the pattern of display backlight color；Concrete operating principle
For：
When LED backlight is closed；
S light, P light are natural light, and direction of vibration is different；When display no-voltage drives, liquid crystal molecules parallel is upper in glass
Infrabasal plate, levels liquid crystal molecule forms 90 degree or 240 degree distortions, and light P light when upper polaroid is absorbed, and S light passes through liquid
Crystalline substance is changed into P light, compensates with upper down polaroid, light is absorbed by down polaroid, assumes black background, and no-reflection effect；
When there being voltage to drive, perpendicular to upper and lower base plate, when upper polaroid, P light is absorbed light liquid crystal molecule, and S light passes through upper
Polaroid, liquid crystal layer, down polaroid, on light transmission, down polaroid is reflected by DBEF-A film, again passes through down polaroid, liquid crystal
Layer, upper polaroid, assume bright display picture；
When LED backlight is opened；
When display no-voltage drives, liquid crystal molecules parallel forms 90 degree in the upper and lower base plate of glass, levels liquid crystal molecule
Or 240 degree of distortions, compensate with upper down polaroid, light P light when down polaroid is absorbed, and S light is changed into P light through liquid crystal layer,
Light is absorbed by upper polaroid, is shown as the impermeable light effect of black；
When there being voltage to drive, perpendicular to upper and lower base plate, light transmission DBEF-A diaphragm, through down polaroid, P light quilt for liquid crystal molecule
Absorb, S light passes through down polaroid, liquid crystal layer, upper polaroid, form the figure shows of backlight color.
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| CN201310618272.3A CN103616780B (en) | 2013-11-26 | 2013-11-26 | Black-background liquid crystal display with high definition and manufacturing technology thereof |
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| CN201310618272.3A CN103616780B (en) | 2013-11-26 | 2013-11-26 | Black-background liquid crystal display with high definition and manufacturing technology thereof |
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| CN103616780B true CN103616780B (en) | 2017-02-08 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168721A (en) * | 2016-08-31 | 2016-11-30 | 亚世光电股份有限公司 | Bright scene display and key manufacturing technology thereof under a kind of color background |
| CN106918949A (en) * | 2017-05-03 | 2017-07-04 | 亚世光电股份有限公司 | Silver color picture liquid crystal display |
| CN107748467A (en) * | 2017-11-20 | 2018-03-02 | 亚世光电股份有限公司 | White picture liquid crystal display and its critical process method under a kind of color background |
| CN108681144A (en) * | 2018-06-22 | 2018-10-19 | 亚世光电股份有限公司 | A kind of dynamical half-reflection and half-transmission type liquid crystal display and its critical process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188902A (en) * | 1997-01-20 | 1998-07-29 | 精工爱普生株式会社 | Liquid crystal device and electronic equipment |
| KR20000039941A (en) * | 1998-12-16 | 2000-07-05 | 김순택 | Liquid crystal display element device |
| CN101013226A (en) * | 2001-12-18 | 2007-08-08 | 三星电子株式会社 | Transmissive and reflective type liquid crystal display |
| CN101253439A (en) * | 2005-08-30 | 2008-08-27 | 柯尼卡美能达精密光学株式会社 | Liquid crystal display device having a plurality of pixel electrodes |
| CN203616559U (en) * | 2013-11-26 | 2014-05-28 | 亚世光电股份有限公司 | Liquid crystal display with black background and bright picture |
-
2013
- 2013-11-26 CN CN201310618272.3A patent/CN103616780B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188902A (en) * | 1997-01-20 | 1998-07-29 | 精工爱普生株式会社 | Liquid crystal device and electronic equipment |
| KR20000039941A (en) * | 1998-12-16 | 2000-07-05 | 김순택 | Liquid crystal display element device |
| CN101013226A (en) * | 2001-12-18 | 2007-08-08 | 三星电子株式会社 | Transmissive and reflective type liquid crystal display |
| CN101253439A (en) * | 2005-08-30 | 2008-08-27 | 柯尼卡美能达精密光学株式会社 | Liquid crystal display device having a plurality of pixel electrodes |
| CN203616559U (en) * | 2013-11-26 | 2014-05-28 | 亚世光电股份有限公司 | Liquid crystal display with black background and bright picture |
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Address after: 114031 no.196 Qianshan Road, high tech Zone, Anshan City, Liaoning Province Patentee after: Yashi Optoelectronics (Group) Co.,Ltd. Address before: 114031 no.196 Qianshan Road, high tech Zone, Anshan City, Liaoning Province Patentee before: ANSHAN YES OPTOELECTRONICS DISPLAY Co.,Ltd. |
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