CN107748467A - White picture liquid crystal display and its critical process method under a kind of color background - Google Patents
White picture liquid crystal display and its critical process method under a kind of color background Download PDFInfo
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- CN107748467A CN107748467A CN201711155249.XA CN201711155249A CN107748467A CN 107748467 A CN107748467 A CN 107748467A CN 201711155249 A CN201711155249 A CN 201711155249A CN 107748467 A CN107748467 A CN 107748467A
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- Prior art keywords
- liquid crystal
- crystal display
- color
- polaroid
- white picture
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000011521 glass Substances 0.000 claims abstract description 26
- 238000005516 engineering process Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 abstract description 2
- 238000002310 reflectometry Methods 0.000 abstract description 2
- 239000003086 colorant Substances 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000234435 Lilium Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133621—Illuminating devices providing coloured light
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides white picture liquid crystal display and its critical process method under a kind of color background, described liquid crystal display includes two panels ito glass, liquid crystal, upper polaroid, down polaroid and frame, described liquid crystal is in frame, liquid crystal upper and lower surface respectively sets a piece of ito glass, described upper polaroid is arranged on the outside of the ito glass on top, and down polaroid is arranged on the outside of the ito glass of bottom.Described down polaroid is RDF C diaphragms.Described down polaroid polarizing angle is negative aobvious paster angle.Described down polaroid is provided with colour reflective device further below.The optical characteristics (selection reflectivity) of RDF C polaroids is make use of, coordinates colored diaphragm, realizes the characteristics of colored (preparing diaphragm color) background white picture is shown (pure white picture, good contrast).Existing LCD device and technique productions can be used, are made simply, it is cheap.
Description
Technical field
The present invention relates to technical field of liquid crystal display, the white picture liquid crystal display under more particularly to a kind of color background
And its critical process method.
Background technology
Liquid crystal display is a kind of flat-panel screens being widely used, and has low in energy consumption, slim body, in light weight and drive
The features such as dynamic voltage is low.Liquid crystal display can not be lighted in itself, and display is realized by modulation ambient light.Custom liquid crystals display mode
There are the TN display patterns of suitable low path number driving, be adapted to the STN display patterns of high way driving and the VA of high-contrast to show mould
Formula.Liquid crystal display coordinates with color polarizing plate or colored ink silk-screen again, realizes color background white picture and shows, still
White picture is not pure white, and contrast is poor.
With the continuous development of human sciences's technology, the needs of people's real life, various new display modes are by successively
Develop.Pure white picture liquid crystal display manufacturing technology is also one of them under color background.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provide a kind of white picture liquid crystal display under color background and
Its critical process method, the optical characteristics (selection reflectivity) of RDF-C polaroids is make use of, coordinates colored diaphragm, realizes coloured silk
The characteristics of color (preparing diaphragm color) background white picture display (pure white picture, good contrast).It can be set using existing LCD
Standby and technique productions, make simply, it is cheap.
In order to achieve the above object, the present invention is realized using following technical scheme：
A kind of white picture liquid crystal display under color background, described liquid crystal display include two panels ito glass, liquid
Crystalline substance, upper polaroid, down polaroid and frame, for described liquid crystal in frame, liquid crystal upper and lower surface respectively sets a piece of ITO glass
Glass, described upper polaroid are arranged on the outside of the ito glass on top, and down polaroid is arranged on the outside of the ito glass of bottom.
Described down polaroid is RDF-C diaphragms.
Described down polaroid polarizing angle is negative aobvious paster angle.
Described down polaroid is provided with colour reflective device further below.
Described colour reflective device is color LED backlight (surface is reflected, and is lighted when switching on power).
Described colour reflective device is colour reflective diaphragm.
Described upper polaroid, using high-polarization transmission piece, uses composite membrane during STN mode in TN patterns.
A kind of critical process method of white picture liquid crystal display under color background, employ following critical process step
Suddenly：
Step 1: using TN patterns or FSTN technologies, make background color uniform, matched with RDF-C, color requires the white standard of paper；
Step 2: down polaroid uses RDF-C type polaroids；
Step 3: the ito glass thickness range used is 0.4mm-0.7mm；
Step 4: setting the paster angle of down polaroid, when making no-voltage, color background color is presented in liquid crystal display,
During making alive, the display picture of white is presented in liquid crystal display.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the white picture liquid crystal display under a kind of color background proposed by the present invention, the white picture under color background
Liquid crystal display background is colored (preparing diaphragm color), using RDF-C polaroids, shows lily pattern, clear patterns.
2nd, the white picture liquid crystal display under a kind of color background proposed by the present invention can make TN patterns or STN moulds
Formula, TN pattern costs are lower；STN mode display content is more, and visual angle is wider.(note：White picture liquid crystal under color background
Show that device may also be fabricated to VA patterns, but VA patterns, without the advantage that contrast is high, visual angle is wide, price is high, manufacture difficulty is big, uses
Amount is seldom).
3rd, the colour reflective device of the white picture liquid crystal display under a kind of color background proposed by the present invention is colour
During LED backlight, when backlight is not turned on, backlight surface membrane color background, pure white display picture are shown as；Carrying on the back
When light source is opened, backlight color background, black display picture are shown as.
Brief description of the drawings
Fig. 1 is being shown using the structure of LED backlight for the white picture liquid crystal display under a kind of color background of the present invention
It is intended to；
Fig. 2 is the knot using colour reflective diaphragm of the white picture liquid crystal display under a kind of color background of the present invention
Structure schematic diagram；
Fig. 3 is the backlight using LED backlight of the white picture liquid crystal display under a kind of color background of the present invention
Displaying principle figure during closing；
Fig. 4 is the backlight using LED backlight of the white picture liquid crystal display under a kind of color background of the present invention
Displaying principle figure during unlatching；
Fig. 5 is the white picture liquid crystal display under a kind of color background of the present invention using the aobvious of colour reflective diaphragm
Show schematic diagram.
Wherein：1- upper polaroid 2-ITO glass 3- liquid crystal 4- frame 5- down polaroid 6- color LED backlights 7-
Colour reflective diaphragm.
Embodiment
Embodiment provided by the invention is described in detail below in conjunction with accompanying drawing.
As shown in Figure 1, 2, the white picture liquid crystal display under a kind of color background, described liquid crystal display include two
Piece ito glass 2, liquid crystal 3, upper polaroid 1, down polaroid 5 and frame 4, described liquid crystal 3 is in frame 4, and liquid crystal is about 3
Two sides respectively sets a piece of ito glass 2, and described upper polaroid 1 is arranged on the outside of the ito glass 2-1 on top, and down polaroid 5 is set
It is placed on the outside of the ito glass 2-2 of bottom.
Described down polaroid 5 is RDF-C diaphragms.
The described polarizing angle of down polaroid 5 is negative aobvious paster angle.
Described down polaroid 5 is provided with colour reflective device further below.
As shown in figure 1, described colour reflective device is color LED backlight 6.
As shown in Fig. 2 described colour reflective device can also be colour reflective diaphragm 7.
Described upper polaroid 1, using high-polarization transmission piece, uses composite membrane during STN mode in TN patterns.
Described ito glass thickness range is 0.4mm-0.7mm.
Described upper polaroid 1 can be also used for VA patterns, and VA polaroids are used in VA patterns.
Described colored diaphragm 6 can prepare different colors, and the coloured silk of different colours is realized according to different preparation colors
The display effect of white picture under color background.
Described color LED backlight 7 can configure different colors, and different colours are realized according to different configuration colors
Color background under white picture or black picture display effect.
White picture liquid crystal display development under a kind of described color background employs following critical process：
(1) TN patterns or FSTN technologies are used, makes background color uniform, is matched with RDF-C, color requires the white standard of paper；
(2) down polaroid 5 uses RDF-C type polaroids；
(3) thickness range of ito glass 2 used is 0.4mm-0.7mm；
(4) the paster angle of down polaroid 5 is set, makes no matter to use colored diaphragm or uses the equal energy of color LED backlight
Realize：During no-voltage, liquid crystal display is presented colored diaphragm color, and during making alive, the display picture of white is presented in liquid crystal display
Face.LED backlight can be realized when lighting：LED backlight color during no-voltage, black display picture during making alive.
Liquid crystal display principle is as follows：
When the first, using color LED backlight 6：
When backlight is closed, as shown in figure 3, when no-voltage drives liquid crystal molecules parallel in the upper and lower base plate of glass,
Levels liquid crystal molecule forms 90 degree or 240 degree distortions, and light passes through upper polaroid, liquid crystal, RDF-C, reflected by LED backlight, then
By RDF-C, liquid crystal, upper polaroid, colored backlight surface color is shown as.When there is voltage driving, liquid crystal molecule is perpendicular to upper
Infrabasal plate, reflected by RDF-C films, form the figure shows of white.
When backlight is opened, as shown in figure 4, when no-voltage drives liquid crystal molecules parallel in the upper and lower base plate of glass,
Levels liquid crystal molecule forms 90 degree or 240 degree distortions, and light is shown as colored backlight table by RDF-C, liquid crystal, upper polaroid
Face color.When there is voltage driving, liquid crystal molecule is inhaled perpendicular to upper and lower base plate, light through RDF-C films, liquid crystal by upper polaroid
Receive, form the figure shows of black.
When the 2nd, using colour reflective diaphragm 7：
As shown in figure 5, course of work during no-voltage is：Liquid crystal molecules parallel is in the upper and lower base plate of glass, levels liquid
Brilliant molecule forms 90 degree or 240 degree distortions, and P light is absorbed when light passes through upper polaroid, and S light is changed into P light through liquid crystal, passes through
RDF-C meets colored diaphragm reflection, then is changed into S light through liquid crystal, and by upper polaroid, colored diaphragm color is presented.
Course of work during making alive is：Light is absorbed by upper polaroid P light, and S light passes through upper polaroid, liquid crystal, liquid
Brilliant molecule meets RDF-C reflections, again passes through down polaroid, liquid crystal, upper polaroid, the aobvious of white is presented perpendicular to upper and lower base plate
Show picture.
White picture liquid crystal display under the color background of the present invention has following characteristic：
1st, display background is colour.
2nd, during the pattern of display white, clear patterns, good contrast.
3rd, TN patterns or STN mode can be made, TN pattern costs are lower；STN mode display content is more, and visual angle is more
It is wide.(note：White picture liquid crystal display under color background may also be fabricated to VA patterns, but VA patterns without contrast it is high,
The wide advantage in visual angle, price is high, manufacture difficulty is big, and dosage is seldom).
Above example is implemented under premised on technical solution of the present invention, gives detailed embodiment and tool
The operating process of body, but protection scope of the present invention is not limited to the above embodiments.Method therefor is such as without spy in above-described embodiment
It is conventional method not mentionlet alone bright.
Claims (5)
1. the white picture liquid crystal display under a kind of color background, described liquid crystal display includes two panels ito glass, liquid
Crystalline substance, upper polaroid, down polaroid and frame, for described liquid crystal in frame, liquid crystal upper and lower surface respectively sets a piece of ITO glass
Glass, described upper polaroid are arranged on the outside of the ito glass on top, and down polaroid is arranged on the outside of the ito glass of bottom；
Characterized in that, described down polaroid is RDF-C diaphragms；
Described down polaroid polarizing angle is negative aobvious paster angle；
Described down polaroid is provided with colour reflective device further below.
2. the white picture liquid crystal display under a kind of color background according to claim 1, it is characterised in that described
Colour reflective device is color LED backlight, is not added with during voltage surface and reflects, and is lighted during making alive.
3. the white picture liquid crystal display under a kind of color background according to claim 1, it is characterised in that described
Colour reflective device is colour reflective diaphragm.
4. the white picture liquid crystal display under a kind of color background according to claim 1, it is characterised in that described
Upper polaroid, using high-polarization transmission piece, uses composite membrane during STN mode in TN patterns.
5. a kind of critical process method of the white picture liquid crystal display under color background described in claim 1, its feature
It is, employs following critical process step：
Step 1: using TN patterns or FSTN technologies, make background color uniform, matched with RDF-C, color requires the white standard of paper；
Step 2: down polaroid uses RDF-C type polaroids；
Step 3: the ito glass thickness range used is 0.4mm-0.7mm；
Step 4: setting the paster angle of down polaroid, when making no-voltage, color background color, power-up is presented in liquid crystal display
During pressure, the display picture of white is presented in liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711155249.XA CN107748467A (en) | 2017-11-20 | 2017-11-20 | White picture liquid crystal display and its critical process method under a kind of color background |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711155249.XA CN107748467A (en) | 2017-11-20 | 2017-11-20 | White picture liquid crystal display and its critical process method under a kind of color background |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107748467A true CN107748467A (en) | 2018-03-02 |
Family
ID=61250694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711155249.XA Pending CN107748467A (en) | 2017-11-20 | 2017-11-20 | White picture liquid crystal display and its critical process method under a kind of color background |
Country Status (1)
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| CN (1) | CN107748467A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112558349A (en) * | 2020-12-30 | 2021-03-26 | 厦门天马微电子有限公司 | Apron, display module assembly and display product |
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Application publication date: 20180302 |