CN101656055A - Multicolor liquid crystal display device and method - Google Patents
Multicolor liquid crystal display device and method Download PDFInfo
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- CN101656055A CN101656055A CN200810214033A CN200810214033A CN101656055A CN 101656055 A CN101656055 A CN 101656055A CN 200810214033 A CN200810214033 A CN 200810214033A CN 200810214033 A CN200810214033 A CN 200810214033A CN 101656055 A CN101656055 A CN 101656055A
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Abstract
The invention discloses a multicolor liquid crystal display device and a method thereof. A plurality of common voltage signals generated in order are modulated to generate a new common voltage signaland synchronous color separating backlight control signals so as to control backlight with different colors to illuminate and serve as backlight sources, thus the new common voltage signal can be matched with segment voltage signals to generate dropout voltage so as to emit backlight with different colors in the same Mono-Pixel at different time, and can synchronously control whether the backlightsources are lightened; therefore, the backlight with different colors emitted by the Mono-Pixel at different time achieves visual overlay effect, and a unicolor pixel can achieve multicolor display effect through a mono display chip after modulation of the device.
Description
Technical field
The present invention relates to a kind of liquid crystal indicator and method, finger does not need can produce by single color LCD panel and single-order Control Driver by colored filter the apparatus and method of the multistage display effect of polychrome especially.
Background technology
Known colour liquid crystal display device all needs to be provided with colored filter, respectively with the R/G/B pixel of a monochrome, filter white backlight simultaneously and produce red (R) light, green (G) light, indigo plant (B) light, be combined into a complete colour element of multicolor displaying again by mixed light, thereby its most light can be by filtering, cause its utilization ratio backlight extremely low, and quite be easy to generate high heat, and it is with high costs.
Summary of the invention
For solving above-mentioned disappearance, fundamental purpose of the present invention is providing a kind of by allowing at least two common voltage modulating signals, come timesharing to drive the apparatus and method of same single-order pixel in regular turn, drive the backlight shinny of different colours simultaneously as backlight, with the stack mixed light of synchronous and time-sharing, allow this single-order pixel also can show the effect that polychrome is multistage.
Via as can be known above, for reaching above-mentioned purpose, the present invention comprises a single color LCD panel, one single-order driving governor, an one multicolor backlight changing device and a polychrome modulation are backlight, wherein this single color LCD panel has and sets up up and down community electrode and a plurality of split electrode of both sides separately, and this single-order driving governor produces a plurality of common voltage signals and a plurality of sections voltage signal in regular turn according to sequential, this polychrome modulation is backlight to have at least two different colours backlights, and this multicolor backlight changing device has a plurality of input contacts, at least two backlight control output contacts of the corresponding different colours backlight of one output contact with quantity, and can produce the color separation backlight control signal, and these a plurality of input contact set are electrically connected with this output contact.
The present invention is electrically connected by a plurality of sections circuit this single-order driving governor with these a plurality of split electrodes, and this single-order driving governor is electrically connected with these a plurality of input contacts of this multicolor backlight changing device by a plurality of common circuit, and make the output contact of this multicolor backlight changing device, be electrically connected with this common electrode by a common aggregate circuit, allow these at least two backlight control output contacts connect this at least two different colours backlights respectively simultaneously.
In view of the above, a plurality of common voltage signals that this single-order driving governor produces are imported same common electrode, allow a plurality of common voltage signals can produce the color separation backlight control signal simultaneously through the modulation of multicolor backlight changing device, and it is luminous to connect these at least two different colours backlights of control respectively by these at least two backlight control output contacts, thus, allow the single-order pixel be penetrated the backlight of different colours by the timesharing driven in synchronism, make it after stack, can form colored display effect, it compares known, its advantage need not used colored filter, and escapable cost.
Description of drawings
Fig. 1 is the electrode synoptic diagram of single color LCD panel of the present invention.
Fig. 2 is a liquid crystal indicator synoptic diagram of the present invention.
Fig. 3 is a polychrome modulation of the present invention synoptic diagram backlight.
The common voltage signal waveforms that Fig. 4 produces for single-order driving governor of the present invention.
Fig. 5 is the functional schematic of multicolor backlight changing device of the present invention.
Fig. 6 is the common voltage signal waveforms of the present invention behind multicolor backlight changing device modulation.
Fig. 7 is the common voltage signal waveforms of the present invention through multicolor backlight changing device modulation rear drive different colours backlight.
Embodiment
Relevant detailed content of the present invention now cooperates schematic view illustrating as follows:
See also Fig. 1, Fig. 2 and shown in Figure 3, device of the present invention comprises a single color LCD panel 10, a single-order driving governor 20, a multicolor backlight changing device 30 and a polychrome modulation backlight 40, wherein this single color LCD panel 10 has and sets up the up and down community electrode 11 and a plurality of split electrodes 12 of both sides separately, and have a plurality of single-order pixels 13 on this single color LCD panel 10, and to should common electrode 11 with the overlapping some setting of this split electrode 12, and as shown in the figure, for being the example explanation with 16 single-order pixels 13.And this polychrome modulation backlight 40 has at least two different colours backlights 41, and it is preferred forms for the backlight 41 that can produce red (R), green (G), blue colors such as (B).
See also shown in Figure 4, this single-order driving governor 20 can produce a plurality of common voltage signals 21 and a plurality of sections voltage signals (figure does not show) in regular turn according to sequential, wherein a plurality of common voltage signals 21 can for responsibility cycle (duty) be 1/16 common voltage signal 21 (COM0～COM15), wherein these a plurality of sections voltage signals with should form pressure reduction with these a plurality of single-order pixels 13 of driving by a plurality of common voltage signals 21.
See also Fig. 5, this multicolor backlight changing device 30 has at least two backlight control output contacts 33 of a plurality of input contacts 31, the corresponding different colours backlight 41 with quantity of an output contact 32, and can produce color separation backlight control signal 71, and these a plurality of input contact 31 set (icon is 16) are electrically connected with this output contact 32, and this backlight control output contact 33 is 3.
Please consult shown in Figure 2 again, this single-order driving governor 20 is electrically connected with these a plurality of split electrodes 12 by a plurality of sections circuit 50, and allow this single-order driving governor 20 be electrically connected with these a plurality of input contacts 31 of this multicolor backlight changing device 30 by a plurality of common circuit 60, and this output contact 32 of this multicolor backlight changing device 30 is electrically connected with these a plurality of common electrodes 11 by a common aggregate circuit 61, and this backlight control output contact 33 connects the backlight 41 (R, G, B) of this polychrome modulation backlight 40 respectively by a backlight drive circuit 70.
And driving method of the present invention is as follows, at first for preparing a single color LCD panel 10, a single-order driving governor 20, a multicolor backlight changing device 30 and a polychrome modulation backlight 40.Then for this single-order driving governor 20 is electrically connected with these a plurality of split electrodes 12 by a plurality of sections circuit 50, again this single-order driving governor 20 is electrically connected with these a plurality of input contacts 31 of this multicolor backlight changing device 30 by a plurality of common circuit 60, and this output contact 32 of this multicolor backlight changing device 30 is electrically connected with these a plurality of common electrodes 11 by common set circuit 61, allows this backlight control output contact 33 connect the different colours backlight of this polychrome modulation backlight 40 of control respectively by a backlight drive circuit 70 simultaneously.
Please consult Fig. 6 and shown in Figure 7 again, multicolor backlight changing device 30 gathers together 16 input contacts 31 by output contact 32 outputs, therefore with community electrode 11 pairing single-order pixels 13, its common voltage signal 21 waveforms (XCOM) of being supplied with by common set circuit 61 as shown in Figure 6, that is this single-order pixel 13 can be driven by 16 timesharing common voltage signals 21.And these 16 timesharing common voltage signals 21, its synchronous modulation through multicolor backlight changing device 30 can produce color separation backlight control signal 71, to drive the different colours backlight 41 (as shown in Figure 7) of this polychrome modulation backlight 40 by these backlight drive circuit 70 timesharing by this backlight control output contact 33, produce the backlight of different colours with timesharing, in present embodiment, these 16 timesharing common voltage signals 21 can be 5,6,5 proportional distribution produces color separation backlight control signal 71, produces red (R) to drive this polychrome modulation backlight 40 respectively, green (G), indigo plant (B) etc. are backlight.
Therefore, change by this common voltage signal 21 and the pressure reduction that the collocation of sections voltage signal is produced, 11 corresponding single-order pixels 13 that drive of this common electrode, can be driven by timesharing and in same single-order pixel 13 control its whether light and present bright or dark and penetrate the backlight of different colours, so it can form the multicolor displaying effect after the vision stack.
As mentioned above, the present invention sees through the common electrode 11 of multicolor backlight changing device 30 with the same row of a plurality of common voltage signal that produces in regular turn 21 input controls, thereby but the light and shade of this single-order pixel 13 is controlled in the sections voltage signal timesharing of itself and collocation, and pass through this backlight control output contact 33 by common voltage signal 21 and control the backlight 41 that different colours is given birth in 40 timesharing backlight of these polychrome modulations by these backlight drive circuit 70 connections, therefore can be by the effect that just persists by human visual, produce colored display effect, so the present invention uses the technology of row (common electrode) and multicolor backlight modulation, allow the monochromatic liquid crystal display face version and the controlling and driving chip of single-order, also can finish the effect of colored demonstration.
Only above-mentioned is the preferred embodiments of the present invention only, is not to be used for limiting scope of the invention process.Be that all equalizations of doing according to claim of the present invention change and modification, be all claim of the present invention and contain.
Claims (4)
1. a multicolor liquid crystal display device is characterized in that, comprises:
One single color LCD panel (10), described single color LCD panel (10) have and set up the up and down community electrode (11) and a plurality of split electrodes (12) of both sides separately;
One single-order driving governor (20), described single-order driving governor (20) produces a plurality of common voltage signals (21) and a plurality of sections voltage signals in regular turn according to sequential, and described single-order driving governor (20) is electrically connected with described a plurality of split electrodes (12) by a plurality of sections circuit (50);
One polychrome modulation (40) backlight, described polychrome modulation (40) backlight has at least two different colours backlights (41); And
One multicolor backlight changing device (30), described multicolor backlight changing device (30) has a plurality of input contacts (31), at least two backlight control output contacts (33) of the corresponding different colours backlight of one output contact (32) and quantity (41), and can produce a color separation backlight control signal (71), and described a plurality of input contacts (31) set is electrically connected with described output contact (32), and described single-order driving governor (20) is electrically connected with described a plurality of input contacts (31) of described multicolor backlight changing device (30) by a plurality of common circuit (60), and the described output contact (32) of described multicolor backlight changing device (30) is electrically connected with described common electrode (11) by a common aggregate circuit (61), and makes described at least two backlight control output contacts (33) connect described at least two different colours backlights (41) respectively.
2. multicolor liquid crystal display device according to claim 1, it is characterized in that, have a plurality of single-order pixels (13) on the described single color LCD panel (10), and the corresponding described common electrode of described single-order pixel (13) (11) is provided with the overlapping point of described split electrode (12).
3. multicolor liquid crystal display device according to claim 2 is characterized in that, described a plurality of sections voltage signals and described common voltage signal (21) form pressure reduction to drive described a plurality of single-order pixels (13).
4. a multi-color LCD display packing is characterized in that, comprises following steps:
Prepare a single color LCD panel (10), described single color LCD panel (10) has and sets up the up and down common electrode (11) and a plurality of split electrodes (12) of both sides separately;
Prepare a polychrome modulation (40) backlight, described polychrome modulation (40) backlight has at least two different colours backlights (41);
Prepare a single-order driving governor (20), described single-order driving governor (20) produces a plurality of common voltage signals (21) and a plurality of sections voltage signals in regular turn according to sequential, and described single-order driving governor (20) is electrically connected with described a plurality of split electrodes (12) by a plurality of sections circuit (50);
Prepare a multicolor backlight changing device (30), described multicolor backlight changing device (30) has at least two backlight control output contacts (33) of the corresponding different colours backlight of a plurality of input contacts (31), an output contact (32) and quantity (41), and can produce a color separation backlight control signal (71), and described a plurality of input contacts (31) set is electrically connected with described output contact (32); And
Described single-order driving governor (20) is electrically connected with a plurality of input contacts (31) of described multicolor backlight changing device (30) by a plurality of common circuit (60), and the described output contact (32) of described multicolor backlight changing device (30) is electrically connected with described common electrode (11) by a common aggregate circuit (61), and makes described at least two backlight control output contacts (33) connect described at least two different colours backlights (41) respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810214033A CN101656055A (en) | 2008-08-22 | 2008-08-22 | Multicolor liquid crystal display device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810214033A CN101656055A (en) | 2008-08-22 | 2008-08-22 | Multicolor liquid crystal display device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017173769A1 (en) * | 2016-04-08 | 2017-10-12 | 京东方科技集团股份有限公司 | Drive substrate and drive method therefor and liquid crystal display |
| CN108694907A (en) * | 2017-04-11 | 2018-10-23 | 三星电子株式会社 | Control integrated circuit and display device for display panel |
| CN110967872A (en) * | 2019-12-19 | 2020-04-07 | 京东方科技集团股份有限公司 | Liquid crystal display substrate and driving method thereof, liquid crystal display panel and driving method thereof |
-
2008
- 2008-08-22 CN CN200810214033A patent/CN101656055A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017173769A1 (en) * | 2016-04-08 | 2017-10-12 | 京东方科技集团股份有限公司 | Drive substrate and drive method therefor and liquid crystal display |
| US10210827B2 (en) | 2016-04-08 | 2019-02-19 | Beijing Boe Optoelectronics Technology Co., Ltd. | Driving substrate and driving method thereof, and liquid crystal display device |
| CN108694907A (en) * | 2017-04-11 | 2018-10-23 | 三星电子株式会社 | Control integrated circuit and display device for display panel |
| CN110967872A (en) * | 2019-12-19 | 2020-04-07 | 京东方科技集团股份有限公司 | Liquid crystal display substrate and driving method thereof, liquid crystal display panel and driving method thereof |
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Open date: 20100224 |