CN1246696A - Colour LCD device and its manufacture method - Google Patents
Colour LCD device and its manufacture method Download PDFInfo
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Abstract
A new-type colour LCD device features that its display screen is composed of two LCD sub-screens for full-colour display. A-type LCD sub-screen is a multi-colour one composed of two polaroids and a LCD box containing two sets of filter membrane and LCD unit for displaying two or three colours or three prime colours. B-type LCD sub-screen is composed of one polaroid and on LCD box and has colour or light shutter. Its advantages are high resolution and brightness, better contrast and low cost.
Description
The invention relates to a kind of new type colorful liquid crystal display device.
Liquid crystal display device (being LCD) development at present rapidly, purposes is increasingly extensive, at the various flat-panel display device metas lance that ranks forefront.The characteristics of liquid crystal display device are that power consumption is little, and operating voltage is low, and are very thin, in light weight, reliable and the life-span is long.On the basis of white-black pattern, adopt backlight and color filter film, can realize colored the demonstration.Employing has the active-matrix liquid-crystal displaying screen (TFT matrix liquid crystal display screen) of color filter film and increases the matrix structure fineness, can obtain high-contrast and high-resolution coloured image and show.Owing to adopt red, green and blue three look filter coatings and TFT matrix structure, make the manufacture process of TFT matrix liquid crystal display screen become quite complicated, so yield rate is low, cost is very high.In addition, further improve resolution and also be subjected to considerable restraint.
The present invention propose a kind of novel structure, with the diverse new type colorful liquid crystal display device of existing colour LCD device structure, its LCDs is made of two liquid crystal displays, carries out colour by the acting in conjunction of color filter film and liquid crystal color shutter or optical gate and shows.Under maintenance high brightness, high-contrast and high-resolution situation, the cost of colour LCD device is significantly reduced, and colour LCD device resolution is significantly improved, thereby thoroughly solve the problems referred to above.
Be elaborated below.
In order to obtain Color Liquid Crystal Display, colour LCD device all adopts the color filter film mode at present, promptly adopt special light source irradiation liquid crystal cell, a large amount of liquid crystal cells are arranged in liquid crystal cell, a filter coating is all arranged on each liquid crystal cells, liquid crystal cells plays the optical gate effect, and red, green, blue three primary colours filter coating and three corresponding liquid crystal cells are formed a pixel.Show a certainly when monochromatic, the liquid crystal cells under this monochrome filter coating is opened and is clear state, and the liquid crystal cells of two other filter coating is interdicted, and all open-minded when three liquid crystal cells, but switch off time is not simultaneously, just can show shades of colour.In order to improve picture contrast, increase the response time, all adopt TFT matrix colour LCD device at present, its display screen structure is as follows: form the column electrode and the row electrode of mutual insulating earlier on a glass substrate, adopt thin film technique and photoetching technique to make TFT again on its intersection point.The grid of TFT, source electrode and drain electrode go between respectively, are connected to column electrode, row electrode and display unit.On another piece glass substrate, form the total public electrode of all display units, corresponding with following display unit, also be manufactured with three groups of filter coatings of red, green, blue, liquid crystal material then embeds between two glass substrates, constitutes liquid crystal cell (LCC).In two glass substrate outsides the neutral polaroid (polaroid is represented with P) of a slice is arranged respectively.Liquid crystal cell is a half-wave ratarder, and when it was in " off " state, liquid crystal presented birefringence effect, had the effect of half-wave retardation, can make incident polarized light half-twist during outgoing from liquid crystal cell.When liquid crystal cell was in " on " state, liquid crystal did not present birefringence effect, and incident polarized light is by liquid crystal cell and unaffected.By the duty of control liquid crystal cell and the effect of red, green, blue filter coating, just can carry out colour and show.
From above analysis as can be known: because TFT matrix chromatic liquid crystal screen manufacturing process is very complicated, need to be covered with a large amount of meticulous TFT on its glass substrate, so yield rate is low, and along with pixel increases, yield rate descends rapidly.To further improve the liquid crystal display resolution of this structure, more difficulty.
If above-mentioned TFT matrix chromatic liquid crystal screen is divided into two liquid crystal displays: a liquid crystal display (being called A type liquid crystal display) is the multi-color LCD display screen, it is made of two polaroids and a liquid crystal cell, two groups of filter coating and liquid crystal cells of complementary color each other are set on the substrate in liquid crystal cell, can carry out double-colored or non-full primary colours three looks or three primary colours and show.Another liquid crystal display (being called the Type B liquid crystal display) is made of a liquid crystal cell and a slice polaroid, has look lock (CS) or optical gate effect, by changing Type B liquid crystal display duty, it can only allow certain color light by or stop light to pass through.By the acting in conjunction of A type liquid crystal display and Type B liquid crystal display, multicolor displaying can be transformed into panchromatic demonstration like this.
For example first liquid crystal display is double-colored LCDs, and blue and yellow two groups of filter coatings are arranged in its liquid crystal cell, and two groups of liquid crystal cells with TFT structure are set respectively on respective blue color and Yellow filter film location.One neutral polaroid (RGB-O, O represents absorption axes, the former is the vertical polarization axle, the latter is horizontal polarization axle, same meaning hereinafter) is respectively arranged in liquid crystal cell two outsides, and its absorption axes direction is identical.Second liquid crystal display is the Type B liquid crystal display, is made up of a liquid crystal cell and a slice color polarizing plate (RB-GB), has red-green double-colored CS effect, on corresponding first liquid crystal display Smalt and Yellow filter film location one group of liquid crystal cells with TFT structure is set.When liquid crystal cells corresponding with blue filter coating and Yellow filter film in first liquid crystal display all is in " on " state, no matter which kind of state second liquid crystal display is in, the white light that backlight sends becomes blue light by behind first liquid crystal display, blue filter coating and second liquid crystal display.The white light that backlight sends becomes gold-tinted after passing through first liquid crystal display and Yellow filter film, and it is by second liquid crystal display time, because its different state, second liquid crystal display can make gold-tinted become green glow or ruddiness by ruddiness or the green glow in the gold-tinted.By the acting in conjunction of first liquid crystal display and second liquid crystal display, double-colored demonstration can be transformed into panchromatic demonstration like this.
First liquid crystal display also can be non-full primary colours three dichroic liquid crystal display screens, the structure of it and double-colored LCDs is basic identical, blue and yellow two groups of filter coatings are for example arranged in liquid crystal cell, two groups of liquid crystal cells with TFT structure also are set on respective blue color and Yellow filter film location.Different is that liquid crystal cell two outsides have a slice color polarizing plate (RGB-R) and the neutral polaroid (RGB-O) of a slice respectively.According to the different conditions of filter coating and liquid crystal cell, first liquid crystal display can show indigo plant, Huang and red three kinds of colors.Second liquid crystal display is the Type B liquid crystal display, is made of a liquid crystal cell and a slice color polarizing plate (RGB-GB), has red CS effect.According to the different conditions of liquid crystal cell, second liquid crystal display can make blue light and ruddiness pass through, and can stop that ruddiness passes through in the gold-tinted, makes gold-tinted become green glow.By first liquid crystal display and the second liquid crystal display acting in conjunction, non-full primary colours three looks can be shown to be transformed into panchromatic demonstration like this.
First liquid crystal display also can be the three primary colours LCDs, and for example its liquid crystal cell two outsides have a slice color polarizing plate (RB-G) and the neutral polaroid (RGB-O) of a slice respectively.According to filter coating and liquid crystal cell different conditions, first liquid crystal display can show indigo plant, green and red three kinds of colors.Second liquid crystal display is the Type B liquid crystal display, is made of a liquid crystal cell and a slice color polarizing plate (RGB-B), has red-green double-colored optical gate effect.According to the different conditions of liquid crystal cell, second liquid crystal display can allow green glow that first liquid crystal display sends or ruddiness by or end.No matter which kind of state second liquid crystal display is in, and the blue light that it all can allow first liquid crystal display send passes through.By the acting in conjunction of first liquid crystal display and second liquid crystal display, three primary colours can be shown to be transformed into panchromatic demonstration like this.
By the switching time of control liquid crystal cells 3A-1,3A-2 and 3B, the brightness of red, green and blue light can change independently in above-mentioned three kinds of colour LCD devices.They not only can be used for colored the demonstration, and can be used for colorful visualization.
In the liquid crystal cell of above-mentioned three kinds of multi-color LCD display screens, two groups each other the filter coating of complementary color all select blue and the Yellow filter film, except these two kinds of filter coatings, can also select red and cyan filter coating or green and magenta filter coating.In above-mentioned three kinds of colour LCD devices, except the polaroid of selecting above-mentioned permutation and combination, polaroid that also optional majority kind permutation and combination is different and other polaroid.More than explanation not only is suitable for colored TFT array liquid crystal display spare, and active colour matrix liquid crystal display device of non-TFT and passive colour matrix liquid crystal display device also are suitable for.
In addition, in above-mentioned three kinds of colour LCD devices, all selecting first liquid crystal display is A type liquid crystal display, and second liquid crystal display is the Type B liquid crystal display, and also can select second liquid crystal display is A type liquid crystal display, and first liquid crystal display is the Type B liquid crystal display.Be pointed out that: for the purpose of being easy to explanation, A type liquid crystal display all is that white light is classified as standard with the incident light, and the effect of Type B liquid crystal display is for A type liquid crystal display, promptly with the emergent light of A type liquid crystal display as criterion.
In a word, the LCDs of colour LCD device of the present invention is made of two liquid crystal displays: A type liquid crystal display is the multi-color LCD display screen, constitute by two polaroids and a liquid crystal cell, filter coating and liquid crystal cells are set on the substrate in liquid crystal cell, the Type B liquid crystal display is made of a liquid crystal cell and a slice polaroid, carries out colour by the acting in conjunction of two liquid crystal displays and shows.The multi-color LCD display screen is constructed as follows: between a pair of transparency carrier liquid crystal layer is arranged, two groups of filter coatings of complementary color each other are set on the substrate in liquid crystal cell, two groups of liquid crystal cells or two groups of liquid crystal cells with TFT structure are set on the position of corresponding filter coating, on substrate two outsides, a slice polaroid is set respectively, according to voltage " on " or " off " state, the Liquid Crystal Molecules Alignment direction is constant or change, thereby makes the constant or half-twist of polarization of incident light direction and pass through liquid crystal layer.The Type B liquid crystal display is constructed as follows: between a pair of transparency carrier liquid crystal layer is arranged, one group of liquid crystal cells or one group of liquid crystal cells with TFT structure are set on the substrate in liquid crystal cell, a slice polaroid only is set on the outside of substrate, according to voltage " on " or " off " state, constant or the change of Liquid Crystal Molecules Alignment direction, thereby make the constant or half-twist of polarization of incident light direction and by liquid crystal layer, the Type B liquid crystal display has look lock or optical gate effect.According to the concrete structure of A type and Type B liquid crystal display, can obtain following a few class colour LCD device:
1.A the type liquid crystal display is non-full primary colours three dichroic liquid crystal display screens or non-full primary colours three look TFT LCDs, two groups of liquid crystal cells or two groups of liquid crystal cells with TFT structure are set on corresponding two groups of filter coating positions, on substrate two outsides a slice polaroid is set respectively, the Type B liquid crystal display has the effect of monochromatic look lock.
2.A the type liquid crystal display is double-colored LCDs or double-colored TFT LCDs, two groups of liquid crystal cells or two groups of liquid crystal cells with TFT structure are set on the position of corresponding two groups of filter coatings, on substrate two outsides a slice polaroid is set respectively, the Type B liquid crystal display has the effect of double-colored look lock.
3.A the type liquid crystal display is three primary colours LCDs or three primary colours TFT LCDs, two groups of liquid crystal cells or two groups of liquid crystal cells with TFT structure are set on corresponding two groups of filter coating positions, on substrate two outsides a slice polaroid is set respectively, the Type B liquid crystal display has the optical gate effect.
In the above-mentioned colour LCD device, two groups of filter coatings are point-like in the A type liquid crystal display, or one group be point-like, another group is strip, also be point-like at the locational two groups of liquid crystal cells of corresponding two groups of filter coatings or two groups of liquid crystal cells with TFT structure, or one group be point-like, and another group is strip, and liquid crystal cells or liquid crystal cells with TFT structure are point-like or strip in the Type B liquid crystal display.
Specify with example below.
Example 1
Fig. 1 is a colour LCD device structural drawing of the present invention.First liquid crystal display is an A type liquid crystal display---non-full primary colours three dichroic liquid crystal display screens, it is constructed as follows: be liquid crystal layer 4A between glass substrate 2A and glass substrate 7A, on substrate 2A inside surface, form two groups of point-like liquid crystal cells 3A-1 and 3A-2 with TFT structure, inside surface at substrate 7A forms filter coating 6A, it is divided into blue filter coating CF-1 and Yellow filter film CF-2, they are corresponding with 3A-1 and 3A-2 respectively, be common transparent electrode 5A on it, attach a slice color polarizing plate 1A (RGB-R) and the neutral polaroid 8A (RGB-O) of a slice respectively at substrate 2A and 7A outside surface.Second liquid crystal display is the Type B liquid crystal display, has the effect of red look lock, it is constructed as follows: be liquid crystal layer 4B between glass substrate 2B and glass substrate 6B, on the position of corresponding blue filter coating CF-1 of the inside surface of substrate 2B and Yellow filter film CF-2, form one group of point-like liquid crystal cells 3B with TFT structure, form common transparent electrode 5B at substrate 6B inside surface, attach a slice color polarizing plate 7B (RGB-GB) at substrate 6B outside surface.
When liquid crystal cells 3A-1 corresponding with blue filter coating CF-1 in the A type liquid crystal display was in " on " state, no matter which kind of state second liquid crystal display was in, and the white light that backlight sends becomes blue light after passing through two liquid crystal displays and blue filter coating CF-1.Switching time by control liquid crystal cells 3A-1, can change blue light brightness.When liquid crystal cells 3A-1 corresponding in the A type liquid crystal display with blue filter coating CF-1 be in " off " state, when being in " on " state and liquid crystal cells 3B and being in " off " state with the corresponding liquid crystal cells 3A-2 of Yellow filter film CF-2, the white light that backlight sends becomes green glow after passing through two liquid crystal displays and Yellow filter film.Switching time by control liquid crystal cells 3A-2, can change green glow brightness.When all being in " off " state with blue filter coating CF-1 and with the pairing liquid crystal cells of Yellow filter film CF-2 in the A type liquid crystal display and liquid crystal cells 3B when being in " on " state, the white light that backlight sends becomes ruddiness after passing through two liquid crystal displays and Yellow filter film.Switching time by control liquid crystal cells 3B, can change ruddiness brightness.This new type colorful liquid crystal display device not only can be used for colored the demonstration, and can be used for colorful visualization.
Example 2-4
| Example 2 | Example 3 | Example 4 | |
| A type liquid crystal display Type B liquid crystal display P1 P2 P3 CF-1 CF-2 3A-1 3A-2 3B | P1+LCC1+P2 LCC2+P3 RGB-G RGB-O RGB-RB blueness, point-like yellow, point-like point-like point-like point-like | P2+LCC2+P3 P1+LCC1 RGB-GB RGB-O RGB-R blueness, point-like yellow, point-like point-like point-like point-like | P2+LCC2+P3 P1+LCC1 RGB-RB RGB-O RGB-G blueness, point-like yellow, point-like point-like point-like point-like |
The A type liquid crystal display of colour LCD device is non-full primary colours three look TFT LCDs in example 2-4, wherein first liquid crystal display is an A type liquid crystal display in example 2, second liquid crystal display is the Type B liquid crystal display, second liquid crystal display is an A type liquid crystal display in example 3 and 4, and first liquid crystal display is the Type B liquid crystal display.According to the similar explanation of example 1, this type of colour LCD device can be used for colored the demonstration and colorful visualization.
Example 5
Fig. 2 is a colour LCD device structural drawing of the present invention.First liquid crystal display is A type liquid crystal display---a double-colored LCDs, it is constructed as follows: be liquid crystal layer 4A between the 7A of glass substrate 2A and glass substrate, on substrate 2A inside surface, form two groups of point-like liquid crystal cells 3A-1 and 3A-2 with TFT structure, form filter coating 6A at substrate 7A inside surface, comprise blue filter coating CF-1 and Yellow filter film CF-2, they are corresponding with 3A-1 and 3A-2 respectively, be common transparent electrode 5A on it, respectively attach neutral polaroid 1A (RGB-O) of a slice and 8A (RGB-O) at substrate 2A and 7A outside surface.Second liquid crystal display is the Type B liquid crystal display, has red-green double-colored look lock effect, it is constructed as follows: be liquid crystal layer 4B between glass substrate 2B and glass substrate 6B, on corresponding blue filter coating CF-1 of substrate 2B inside surface and Yellow filter film CF-2 position, form one group of strip liquid crystal cells 3B with TFT structure, form common transparent electrode 5B at substrate 6B inside surface, attach a slice color polarizing plate 7B (RB-GB) at substrate 6B outside surface.
When liquid crystal cells 3A-1 was in " on " state in the A type liquid crystal display, no matter which kind of state second liquid crystal display was in, and the white light that backlight sends becomes blue light after passing through two liquid crystal displays and blue filter coating CF-1.Switching time by control liquid crystal cells 3A-1, can change blue light brightness.When liquid crystal cells 3A-1 in the A type liquid crystal display is in " off " state, liquid crystal cells 3A-2 and is in " on " state and liquid crystal cells 3B and is in " off " state, the white light that backlight sends by two liquid crystal displays and Yellow filter film after, become green glow.By controlling liquid crystal cells 3A-2 switching time, can change green glow brightness.When liquid crystal cells 3A-1 in the A type liquid crystal display is in " off " state, liquid crystal cells 3A-2 and liquid crystal cells 3B and is in " on " state, the white light that backlight sends by two liquid crystal displays and Yellow filter film after, become ruddiness.Switching time by control liquid crystal cells 3A-2, can change ruddiness brightness.This new type colorful liquid crystal display device not only can be used for colored the demonstration, and can be used for colorful visualization.
Example 6-9
| Example 6 | Example 7 | Example 8 | Example 9 | |
| A type liquid crystal display Type B liquid crystal display P1 P2 P3 CF-1 CF-2 3A-1 3A-2 3B | P1+LCC1+P2 LCC2+P3 RGB-O RG-B RB-GB blueness, point-like yellow, point-like point-like point-like strip | P1+LCC1+P2 LCC2+P3 RG-B RG-B RB-GB blueness, point-like yellow, point-like point-like point-like strip | P1+LCC1+P2 LCC2+P3 G-RB G-RB RGB-B blueness, point-like yellow, point-like point-like point-like strip | P2+LCC2+P3 P1+LCC1 RB-GB RGB-O RGB-O blueness, point-like yellow, point-like point-like point-like strip |
In example 6-9, the A type liquid crystal display of colour LCD device is double-colored TFT LCDs, wherein first liquid crystal display is an A type liquid crystal display in example 6,7 and 8, second liquid crystal display is the Type B liquid crystal display, has red-green double-colored look lock effect, second liquid crystal display is an A type liquid crystal display in example 9, and first liquid crystal display is the Type B liquid crystal display, has red-green double-colored look lock effect.According to the similar explanation of example 5, this type of colour LCD device all can be used for colored the demonstration and colorful visualization.
Example 10
Fig. 3 is a colour LCD device structural drawing of the present invention.First liquid crystal display is A type liquid crystal display---a three primary colours LCDs, its formation is: be liquid crystal layer 4A between glass substrate 2A and glass substrate 7A, on substrate 2A inside surface, form one group and have the point-like liquid crystal cells 3A-1 of TFT structure and the strip liquid crystal cells 3A-2 that a group has the TFT structure, form filter coating 6A at substrate 7A inside surface, be divided into blue filter coating CF-1 of point-like and strip Yellow filter film CF-2, they are corresponding with 3A-1 and 3A-2 respectively, be common transparent electrode 5A on it, respectively attach a slice color polarizing plate 1A (RB-G) and the neutral polaroid 8A (RGB-O) of a slice at substrate 2A and substrate 7A outside surface.Second liquid crystal display is the Type B liquid crystal display, has red-green double-colored optical gate effect, its formation is: be liquid crystal layer 4B between glass substrate 2B and substrate 6B, form one group of point-like liquid crystal cells 3B at substrate 2B inside surface on corresponding to blue filter coating CF-1 and Yellow filter film CF-2 position with TFT structure, form common transparent electrode 5B at substrate 6B inside surface, attach a slice color polarizing plate 7B (RGB-B) at substrate 6B outside surface.
When liquid crystal cells 3A-1 was in " on " state in the A type liquid crystal display, no matter which kind of state second liquid crystal display was in, and the white light that backlight sends becomes blue light after passing through two liquid crystal displays and blue filter coating CF-1.By controlling liquid crystal cells 3A-1 switching time, can change blue light brightness.When liquid crystal cells 3A-1 in the A type liquid crystal display is in " off " state, liquid crystal cells 3A-2 and liquid crystal cells 3B and is in " on " state, the white light that backlight sends by two liquid crystal displays and Yellow filter film after, become ruddiness.Switching time by control liquid crystal cells 3B, can change ruddiness brightness.When liquid crystal cells 3A-1 and liquid crystal cells 3A-2 in the A type liquid crystal display are in " off " state and liquid crystal cells 3B and are in " on " state, the white light that backlight sends by two liquid crystal displays and Yellow filter film after, become green glow.Switching time by control liquid crystal cells 3B, can change green glow brightness.This new type colorful liquid crystal display device can be used for colored the demonstration and colorful visualization.
Example 11-14
| Example 11 | Example 12 | Example 13 | Example 14 | |
| A type liquid crystal display Type B liquid crystal display P1 P2 P3 CF-1 CF-2 3A-1 3A-2 3B | P1+LCC1+P2 LCC2+P3 RB-G RG-B RGB-B blueness, point-like yellow, strip point-like strip point-like | P2+LCC2+P3 P1+LCC1 RGB-O RG-B RB-GB blueness, point-like yellow, strip point-like strip point-like | P1+LCC1+P2 LCC2+P3 RB-G RG-B RB-GB blueness, point-like yellow, strip point-like strip point-like | P2+LCC2+P3 P1+LCC1 RB-G RG-B RB-GB blueness, point-like yellow, point-like point-like point-like strip |
In example 11-14, A type liquid crystal display in the colour LCD device is three primary colours TFT LCDs, wherein first liquid crystal display is an A type liquid crystal display in example 11 and 13, second liquid crystal display is the Type B liquid crystal display, second liquid crystal display is an A type liquid crystal display in example 12 and 14, first liquid crystal display is the Type B liquid crystal display, red-green double-colored optical gate effect that the Type B liquid crystal display has.According to the similar explanation of example 10, this type of colour LCD device all can be used for colored the demonstration and colorful visualization.
Example 15
Fig. 4 is a colour LCD device structural drawing of the present invention, and its basic structure is very similar to the device architecture in the example 10.A type liquid crystal display structure is just the same, and the difference of Type B liquid crystal display only is the position difference of color polarizing plate 1B (RGB-B), and in this example, color polarizing plate is in the liquid crystal cell front.According to the similar explanation of example 10, this type of colour LCD device can be used for colored the demonstration and colorful visualization.
Fig. 1-Fig. 4 is the structural drawing of various colour LCD devices of the present invention.
A, B represent A type liquid crystal display and Type B liquid crystal display respectively.1A, 8A, 7B and 1B represent polaroid, and 2A, 7A, 2B and 6B represent glass substrate, and 3A-1,3A-2 and 3B represent liquid crystal cells, 4A and 4B represent liquid crystal layer, 5A and 5B represent common transparent electrode, and 6A represents filter coating, and CF1 and CF2 represent blue filter coating and Yellow filter film respectively.Leftmost figure is represented vertical, the horizontal polarization axle of corresponding with it polaroid 1A, 8A, 7B and 1B respectively in each figure, and R, G, B represent the red, green and blue look respectively, and O represents the absorption axes of neutral polaroid.
Claims (9)
1. new type colorful liquid crystal display device, the LCDs that it is characterized in that it is made of two liquid crystal displays, A type liquid crystal display is the multi-color LCD display screen, constitute by two polaroids and a liquid crystal cell, filter coating and liquid crystal cells are set on the substrate in liquid crystal cell, the Type B liquid crystal display is made of a slice polaroid and a liquid crystal cell, carries out colour by the acting in conjunction of A type liquid crystal display and Type B liquid crystal display and shows.
2. according to the colour LCD device of claim 1, the A type liquid crystal display formation that it is characterized in that it is: between a pair of transparency carrier liquid crystal layer is arranged, two groups of filter coating and two groups of liquid crystal cells of complementary color each other are set on the substrate in liquid crystal cell, on substrate two outsides, a slice polaroid is set respectively, according to voltage " on " or " off " state, constant or the change of Liquid Crystal Molecules Alignment direction, thereby make the constant or half-twist of polarization of incident light direction and pass through liquid crystal layer, the formation of Type B liquid crystal display is: between a pair of transparency carrier liquid crystal layer is arranged, according to voltage " on " or " off " state, constant or the change of Liquid Crystal Molecules Alignment direction, thereby make the constant or half-twist of polarization of incident light direction and by liquid crystal layer, the Type B liquid crystal display has look lock or optical gate effect.
3. according to the colour LCD device of claim 2, it is characterized in that A type liquid crystal display is double-colored LCDs, two groups of liquid crystal cells are set on the position of corresponding two groups of filter coatings, on substrate two outsides a slice polaroid are set respectively, the Type B liquid crystal display has the effect of double-colored look lock.
4. according to the colour LCD device of claim 3, it is characterized in that A type liquid crystal display is double-colored TFT LCDs, two groups of liquid crystal cells with TFT structure are set on the position of corresponding two groups of filter coatings, on substrate two outsides a slice polaroid is set respectively, the Type B liquid crystal display has the effect of double-colored look lock.
5. according to the colour LCD device of claim 2, it is characterized in that A type liquid crystal display is non-full primary colours three dichroic liquid crystal display screens, two groups of liquid crystal cells are set on the position of corresponding two groups of filter coatings, on substrate two outsides a slice polaroid are set respectively, the Type B liquid crystal display has the effect of monochromatic look lock.
6. according to the colour LCD device of claim 5, it is characterized in that A type liquid crystal display is non-full primary colours three look TFT LCDs, two groups of liquid crystal cells with TFT structure are set on the position of corresponding two groups of filter coatings, on substrate two outsides a slice polaroid is set respectively, the Type B liquid crystal display has the effect of monochromatic look lock.
7. according to the colour LCD device of claim 2, it is characterized in that A type liquid crystal display is the three primary colours LCDs, two groups of liquid crystal cells are set on the position of corresponding two groups of filter coatings, on substrate two outsides a slice polaroid are set respectively, the Type B liquid crystal display has double-colored optical gate effect.
8. press the colour LCD device of claim 7, it is characterized in that A type liquid crystal display is a three primary colours TFT LCDs, two groups of liquid crystal cells with TFT structure are set on the position of corresponding two groups of filter coatings, on substrate two outsides a slice polaroid is set respectively, the Type B liquid crystal display has double-colored optical gate effect.
9. according to the colour LCD device of claim 3 or 4 or 5 or 6 or 7 or 8, it is characterized in that two groups of filter coatings are point-like in A type liquid crystal display, or one group be point-like, another group is strip, also be point-like at the locational two groups of liquid crystal cells of corresponding two groups of filter coatings or two groups of liquid crystal cells with TFT structure, or one group be point-like, and another group is strip, and liquid crystal cells or liquid crystal cells with TFT structure are point-like or strip in the Type B liquid crystal display.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100520871C (en) * | 2002-11-06 | 2009-07-29 | 佳能株式会社 | Color display element, method for driving color display element, and display apparatus having color display element |
| US7843529B2 (en) | 2006-04-18 | 2010-11-30 | Nec Lcd Technologies, Ltd. | Stacked multi-panel LCD device comprising a first driving signal for driving at least one of said stacked LCD panels and a second driving signal for driving another of said stacked LCD panels being obtained by applying an averaging processing to said first driving signal |
| CN101467199B (en) * | 2006-08-02 | 2011-08-31 | 夏普株式会社 | Liquid crystal display device, liquid crystal display method, and TV receiver |
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1998
- 1998-09-03 CN CNB981187919A patent/CN1141682C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100520871C (en) * | 2002-11-06 | 2009-07-29 | 佳能株式会社 | Color display element, method for driving color display element, and display apparatus having color display element |
| US7843529B2 (en) | 2006-04-18 | 2010-11-30 | Nec Lcd Technologies, Ltd. | Stacked multi-panel LCD device comprising a first driving signal for driving at least one of said stacked LCD panels and a second driving signal for driving another of said stacked LCD panels being obtained by applying an averaging processing to said first driving signal |
| CN101467199B (en) * | 2006-08-02 | 2011-08-31 | 夏普株式会社 | Liquid crystal display device, liquid crystal display method, and TV receiver |
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| CN1141682C (en) | 2004-03-10 |
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