CN1716034A - Color liquid crystal display device - Google Patents
Color liquid crystal display device Download PDFInfo
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- CN1716034A CN1716034A CN 200510077432 CN200510077432A CN1716034A CN 1716034 A CN1716034 A CN 1716034A CN 200510077432 CN200510077432 CN 200510077432 CN 200510077432 A CN200510077432 A CN 200510077432A CN 1716034 A CN1716034 A CN 1716034A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 36
- 239000003086 colorant Substances 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims description 16
- 239000011521 glass Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 4
- 238000009429 electrical wiring Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a color liquid crystal display device of a black-white applicable IC, which limits colorized luminescent color volume and has low using cost and high reliability. A liquid crystal display device can display four colors or more than four colors, and a COG module (B) is assembled with a unit which is equipped with a back light source (C) of one kind primitive color or more than one kind of primitive colors of white and three primitive colors of red, green and blue which illuminates by transparent light from the back of a LCD faceplate, wherein, in the COG module (B), a homochromous liquid crystals (7) is arranged at a pixel area which is corresponding to a color filter (3) which uses one kind of primitive color or more than one kind of primitive colors; electrodes (2) and (4) which drive the homochromous liquid crystals (7) corresponding to each pixel area are respectively arranged at glass base plates (1) and (5), and the electrode (2) and (4) are driven and controlled by a homochromous applicable IC (11).
Description
Technical field
The present invention relates to carry out the colored liquid crystal indicator (LCD) that shows.
Background technology
In the past,, use the display device of color filter (Color Filter) and utilize field preface (Field Sequential) mode of not using color filter to carry out the display device of colored demonstration known as carrying out the colored LCD that shows.
Use the structure of the color LCD of color filter to be, utilize controller driver drive as will be between glass plate that becomes 1 substrate or film be that the color-filter layer of unit 3 looks that are provided with red R, green G, blue B and the color filter that will form transparency electrode thereon show with LCD (patent documentation 1) with the colour that the substrate in combination that has formed the TFT element forms with each pixel.
In addition, adopt the structure of the color LCD of field-sequential mode to be, be not between single color LCD and glass substrate, to dispose color-filter layer, but by make single color LCD with carry out at a high speed ON, OFF and with backlight be that the illuminant colour of unit 3 looks that make red R, green G, blue B carries out colour demonstration (patent documentation 2) synchronously with each pixel.
Patent documentation 1: the spy opens flat 7-128516 communique
Patent documentation 2: the spy opens the 2001-272657 communique
The LCD of above-mentioned color filter mode, owing to use colored special-purpose IC, and instruction number and the black and white of control IC are in a ratio of 5～6 times with IC, become huge so be used for the procedure quantity of driver module, thereby exploitation needs spended time.In addition, because color filter-LCD is divided into 3 sections with 1 pixel to control,, section becomes black and white 3 times with IC so exporting quantity, and because the projection spacing of IC is very narrow, be about 38～42 μ m, thus the wiring attenuate, thereby therewith correspondingly wiring portion just be easy to be corroded.
In addition, the color LCD of field-sequential mode, owing to require high-speed response, and need the static drive controller driver, so need be equivalent to the terminal of the wiring usefulness of quantity a little, for this reason, the quantity that drives the IC of so many terminals also will increase.In addition, preface LCD, because in order to accelerate the gap turn narrow that response speed of liquid crystal need make a pair of support substrate of glass plate etc., so even exist foreign matter seldom also can become substandard product, so the yield rate of product is often very poor.
Summary of the invention
The object of the present invention is to provide and limit colored illuminant colour quantity and use the liquid crystal indicator of the high black and white of low cost, reliability with IC.
In addition, the objective of the invention is to carry out the liquid crystal indicator that the high black and white of use low cost, reliability of 8 looks or the demonstration of the colour more than 8 looks is used IC by making up color backlight.
The purpose of the invention described above utilizes following solution to solve.
The described invention of claim 1 is a kind of color liquid crystal display arrangement, it is characterized in that, possess: (a) LCD module, wherein, comprise by a pair of substrate, be clamped in single color LCD between above-mentioned a pair of substrate, use a kind of primary colors among RGB 3 primary colors or a kind more than the primary colors and the LCD panel that the electrode of the corresponding single color LCD of its color filter corresponding with above-mentioned each pixel region, driving and above-mentioned each pixel region is constituted, and the monochrome electrode control part of the electrode of the above-mentioned LCD panel of drive controlling has been installed with a plurality of pixel regions; (b) from the back side of above-mentioned LCD panel to see through white that light throws light on and/or a kind of primary colors or the a kind of back light unit more than the primary colors among RGB 3 primary colors.
The described invention of claim 2 is a color liquid crystal display arrangement according to claim 1, wherein, as 2 kinds of primary colors among color filter use RGB 3 primary colors, the display shape of above-mentioned each primary colors is arranged to the broach shape, comb-tooth-like portion mutually to configuration, has been disposed the electrode of broach shape with this broach shape color filter with going into accordingly.
The described invention of claim 3 is a color liquid crystal display arrangement according to claim 2, and wherein, the display shape of above-mentioned 2 kinds of primary colors is 7 segment types.
According to the described invention of claim 1,, can carry out the colour demonstration of 4 looks or 4 looks above by having the LCD panel of color filter with electrode control part (controller driver) drive controlling with monochromatic.In addition, by with 2 looks among 3 looks of RGB or more than 2 looks and color filter and colour cell backlight close and can also further carry out 7 looks or 8 looks or the colour more than 8 looks and show.And then, by 2 looks among color backlight and 3 primary colors or the color filter below 2 looks are made up, even the liquid crystal indicator that the colour that can provide the color filter of 3 looks that do not use RGB also can carry out 7 looks shows.
According to the described invention of claim 2, except the effect of the described invention of claim 1,, also can obtain easy colored display frame though be the colour that limits.
According to the described invention of claim 3, except the effect of the described invention of claim 2, can also be with the demonstration of 7 segment types of look.
According to the described invention of claim 1, because being used to drive monochrome compares less with colour with the electrode control part with the instruction number of electrode control part (controller driver), and short getting final product of the establishment time of drive software, though, can carry out colour and show so be with the low chromatic number that limits of cost.
In addition, the liquid crystal indicator of the described invention of claim 1, owing to use the monochromatic electrode control part of using, thereby the projection spacing is compared broad with colour with the electrode control part, so the electrical wiring width is increased, in addition, because the erection space of projection and electrical wiring can design greatlyyer, so the corrosion of wiring etc. also are difficult for taking place, thereby the cheap high liquid crystal indicator of reliability can be provided.
And then, according to the described invention of claim 1,, Neutral colour be can show, thereby 8 looks or 8 looks above look also can be showed by changing color backlight or making light source have strong and weak the variation.
According to the described invention of claim 2, except the effect of the described invention of claim 1,, can also realize the colorize of PICT (ICON) and 7 sections by adopting the electrode of broach shape accordingly with broach shape color filter.
According to the described invention of claim 3, except the effect of the described invention of claim 2, existing monochromatic 7 sections display shapes that show can also be shown with colour that numerical value that can colored Displaying Meter etc. make it to become eye-catching and are easy to observe.
Description of drawings
Fig. 1 is the sectional view of basic structure of the liquid crystal indicator of embodiments of the invention.
Fig. 2 is the sectional view that the IC chip is installed to the structure on the liquid crystal indicator of Fig. 1.
Fig. 3 is the sectional view with the structure on the liquid crystal indicator of the Fig. 2 of being installed to backlight.
Fig. 4 is the sectional view of basic structure of the liquid crystal indicator of embodiments of the invention.
Fig. 5 is the partial plan of the liquid crystal indicator of embodiments of the invention.
Fig. 6 is the figure that the basic structure of 1 pixel unit that the colour of 3 primary colors shows is used in expression.
Label declaration
The 1-glass substrate, 2-transparency electrode, 3-color filter, the 4-transparency electrode, 5-glass substrate, 7-black and white liquid crystal, the 8-seal member, 10-polarization plates, 11-black and white IC, 14-LED, 15-printed base plate, 16-reflection box, the 17-section, the 19-color filter is red, and the 20-color filter is green, the A-LCD panel, B-COG module, C-light source.
Embodiment
Embodiments of the invention are described with reference to the accompanying drawings.
As shown in Figure 1, prepared between glass substrate 1 and transparency electrode 2, to have disposed the laminated plate of RGB color filter 3, it is overlapping with respect to this laminated plate to make the glass substrate 5 that is provided with transparency electrode 4 separate ground, space in transparency electrode 2,4 relative modes, and fills black and white liquid crystal 7 in this space.Black and white with the kind of liquid crystal 7 be any kind of all can, can use commercially available suitable black and white liquid crystal.After filling liquid crystal 7, be provided for keeping the interval of 1,5 of glass substrates and the seal member 8 of encapsulated liquid crystals 7, and then on the face of the opposition side of the electrode configuration portion of both sides' glass substrate 1, be provided for making the unreflecting polarization plates 10 of incident light, thereby make colored with LCD panel A.
Then, as shown in Figure 2, on the glass substrate 1 of this LCD panel A, black and white IC11 is installed, thereby makes LCD (COG) module B by transparency electrode 2,4.After having made the COG module, as shown in Figure 3, go up at this LCD (COG) module B the LED14 that assembling has white or polychrome (1 look among 3 primary colors or more than 1 look) usefulness backlight light source C and make and have LCD backlight (COG) module.Light source C is with the light source of LED14 alignment arrangements on printed base plate 15, this LED14 is arranged on the rear side (opposition side of electrode configuration portion) of the glass substrate 1 in the reflection box 16.
Obtain 8 looks or the colour more than 8 looks with liquid crystal indicator (LCD) by combination at the RGB color filter that forms on the inner face of LCD panel A 3 and the illuminant colour of back light C.
Because black and white is 50～80 μ m with the projection spacing of IC11, compare widely about 1.3 times～2 times with IC with colour, measure accordingly so the electrical wiring width is also broadened, thereby also be difficult for the corrosion that produces electrolysis.In addition, because the contact area of projection and transparency electrode 2,4 is increased, thus the contact resistance step-down, so also can improve the reliability of electrical connection section.
Though the foregoing description is to use the module of COG field engineering, but the thin film based chip), COS (Chip on Silicon: silicon base chip) also can use the present invention on the LCD module that waits all field engineerings to make, with the combination of printed wiring board (PWB) and QFP (Quad Flat Package: quad flat is installed), TCP (Tape Carrier Package: band carries to be installed), COF (Chip on Film:.
In addition, back light C except LED14, can also use all types of light sources such as CFL (fluorescent tube), EL, filament light source.
In addition, as shown in Figure 4, as shown in table 1 when using (B/L) backlight of for example red (R) and green (G) color filter and combination white as color filter (CF), the PICT (ICON) that can carry out 4 looks shows.
Table 1
| Red CF | Green CF | White B/L | Show look |
| ON | OFF | ON | Red |
| OFF | ON | ON | Green |
| ON | ON | ON | Yellow |
| OFF | OFF | ON | Black |
In addition, usually broken colour shows, as shown in Figure 6, though 1 pixel is divided into 3 points and disposes the RGB color filter respectively and carry out dot matrix and show,, the demonstration of 7 segment types or PICT (ICON) show, example during 1/3 dutycycle as shown in Figure 5 (デ ユ one テ イ), when the color filter of for example red (R) and green (G) adopts comb structure and white is made up with above-mentioned 2 look color filters accordingly with blue (B/L) backlight, as shown in table 2, also can carry out 7 looks and show.
As shown in Figure 5, on the liquid-crystal display section of 7 sections each section 17 that shows " 8 " numeral, the color filter 19 of red (R) and the color filter 20 of green (G) are arranged to the broach shape respectively, setting is spaced apart 10～20 μ m and comb teeth part is divided mutually to going into.So, at with liquid crystal corresponding to the regional corresponding size of each section 17 of 7 sections of color filter 19,20 parts of above-mentioned red (R) and green (G), when when segment electrode and common electrode apply driving voltage together, the liquid crystal of the intersection point part of this electrode just becomes light transmission, therefore when for example going out white light from light emitted backlight, this white light is launched with redness and green by color filter 19,20, thereby is identified as yellow in human eye.
Table 2
| Red CF | Green CF | White B/L | Blue B/L | Show look |
| ON | OFF | ON | OFF | Red |
| OFF | ON | ON | OFF | Green |
| ON | ON | ON | OFF | Yellow |
| ON | OFF | OFF | ON | Pink colour |
| ON | ON | OFF | ON | White |
| OFF | ON | OFF | ON | Light blue |
| OFF | OFF | OFF | OFF | Black |
And, when making light source backlight have strong and weak the variation, then also Neutral colour can be showed, thereby 7 looks or the demonstration of 7 looks above can be carried out.Certainly, as shown in table 3 even then back light is monochromatic (white) when using the color filter of red, green, blue as shown in Figure 1, also can carry out the demonstration of 8 looks.
Table 3
| Red CF | Green CF | Blue CF | White B/L | Show look |
| ON | OFF | OFF | ON | Red |
| OFF | ON | OFF | ON | Green |
| OFF | OFF | ON | ON | Blue |
| ON | ON | OFF | ON | Yellow |
| ON | OFF | ON | ON | Pink colour |
| OFF | ON | ON | ON | Light blue |
| ON | ON | ON | ON | White |
| OFF | OFF | OFF | OFF | Black |
And, when making light source backlight have strong and weak the variation, also Neutral colour can be showed, thereby 8 looks or the demonstration of 8 looks above can be carried out.
Like this, can use by the common electrode of existing fairly simple demonstration usefulness and monochrome that segment electrode constitutes show usefulness liquid crystal indicator electrode wiring and drive the IC chip of the monochrome usefulness of this electrode wiring.
The possibility of utilizing on the industry.
Liquid crystal indicator of the present invention is very high as switching the possibility that the display unit of the display unit colorize that the monochromatic display floater of display floater etc. uses utilizes with the work of the display floater of the instrument of existing electrical equipment etc., various control appliances.
Claims (3)
1. color liquid crystal display arrangement is characterized in that possessing:
(a) LCD module, wherein, comprise by a pair of substrate, be clamped in single color LCD between above-mentioned a pair of substrate, use a kind of primary colors among RGB 3 primary colors or a kind more than the primary colors and the LCD panel that the electrode of the corresponding single color LCD of its color filter corresponding with above-mentioned each pixel region, driving and above-mentioned each pixel region is constituted, and the monochrome electrode control part of the electrode of the above-mentioned LCD panel of drive controlling is installed with a plurality of pixel regions; And
(b) from the back side of above-mentioned LCD panel to see through white that light throws light on and/or a kind of primary colors or the a kind of back light unit more than the primary colors among RGB 3 primary colors.
2. color liquid crystal display arrangement according to claim 1, it is characterized in that: as 2 kinds of primary colors among color filter use RGB 3 primary colors, the display shape of above-mentioned each primary colors is arranged to the broach shape, comb-tooth-like portion mutually to configuration, has been disposed the electrode of broach shape with this broach shape color filter with going into accordingly.
3. color liquid crystal display arrangement according to claim 2 is characterized in that: the display shape of above-mentioned 2 kinds of primary colors is 7 segment types.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004194337A JP2006017919A (en) | 2004-06-30 | 2004-06-30 | Color liquid crystal display device |
| JP194337/2004 | 2004-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1716034A true CN1716034A (en) | 2006-01-04 |
Family
ID=35792276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510077432 Pending CN1716034A (en) | 2004-06-30 | 2005-06-21 | Color liquid crystal display device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2006017919A (en) |
| CN (1) | CN1716034A (en) |
| TW (1) | TW200600892A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7771098B2 (en) | 2007-09-28 | 2010-08-10 | Au Optronics Corporation | Multi-primary color display |
| CN101405644B (en) * | 2006-03-20 | 2010-12-01 | 夏普株式会社 | Display |
| CN101420519B (en) * | 2007-10-24 | 2012-08-01 | Nlt科技股份有限公司 | Display panel control device, liquid crystal display device, display device driving method |
| CN106154643A (en) * | 2006-03-21 | 2016-11-23 | 株式会社半导体能源研究所 | Backlight apparatus and display device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0611126D0 (en) * | 2006-06-06 | 2006-07-19 | Liquavista Bv | Colour display device |
| JP2008032900A (en) * | 2006-07-27 | 2008-02-14 | Rohm Co Ltd | Image display device |
-
2004
- 2004-06-30 JP JP2004194337A patent/JP2006017919A/en active Pending
-
2005
- 2005-04-13 TW TW094111692A patent/TW200600892A/en unknown
- 2005-06-21 CN CN 200510077432 patent/CN1716034A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101405644B (en) * | 2006-03-20 | 2010-12-01 | 夏普株式会社 | Display |
| CN106154643A (en) * | 2006-03-21 | 2016-11-23 | 株式会社半导体能源研究所 | Backlight apparatus and display device |
| US7771098B2 (en) | 2007-09-28 | 2010-08-10 | Au Optronics Corporation | Multi-primary color display |
| CN101420519B (en) * | 2007-10-24 | 2012-08-01 | Nlt科技股份有限公司 | Display panel control device, liquid crystal display device, display device driving method |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200600892A (en) | 2006-01-01 |
| JP2006017919A (en) | 2006-01-19 |
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