CN1967644A - Flat video display capable of adjusting brightness - Google Patents
Flat video display capable of adjusting brightness Download PDFInfo
- Publication number
- CN1967644A CN1967644A CN 200510095574 CN200510095574A CN1967644A CN 1967644 A CN1967644 A CN 1967644A CN 200510095574 CN200510095574 CN 200510095574 CN 200510095574 A CN200510095574 A CN 200510095574A CN 1967644 A CN1967644 A CN 1967644A
- Authority
- CN
- China
- Prior art keywords
- signal
- video
- output
- brightness
- video display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Liquid Crystal Display Device Control (AREA)
Abstract
A flat video monitor with the function of adjustable brightness can automatic adjust the display screen brightness of the video monitor according to the contents of the video documents displayed in the screen and the around brightness of the video monitor. The flat video monitor with the function of adjustable brightness includes: the video processing device, whose function is to process the specified video signals imported from the specified input terminal, and export to display in the flat video monitor; the microelectronics processor, whose function is to confirm the video signal input terminal imported to the said video processing device, and determine the current mode, then according to the judged mode, export using the corresponding control signals with the pre-set and stored multiple backlight brightness control signals; the backlight conversion device, whose function is to export the variable voltage signal corresponding to the control signal level of the said microelectronics processor, and control the light brightness.
Description
Technical field
The present invention relates to flat video display with adjustable brightness function, have video file content that the flat video display of adjustable brightness function can show according to picture or, regulate the picture brightness of video display automatically according to the surrounding brightness of video display.
Background technology
LCD (Liquid Crystal Display----liquid crystal display) display is digital multimedia epoch people's a requirement, and it is big that it has solved the volume that existing kinescope exists, the power consumption height, and harmful problems such as electromagnetic wave, thereby be subjected to people's favor.The volume that LCD display not only utilizes lcd screen to reduce epoch-makingly, and its power consumption only is 25% of existing C RT display.Even long-time use the, eyes can be not tired yet, it has brought convenience and has improved efficient to the user, is the product with affinity.
LCD display is the device that is made of various elements, and these elements comprise: the screen that injects liquid crystal between substrate and the substrate; Make the driver of screen work; The components of drive circuit that comprises the PCB (Printed Circuit Board----printed circuit board (PCB)) that has adhered to various circuit components; The back light member (Backlight Unit) of planar light is provided for screen.
Here, white plane light is injected from back light member, and screen plays the effect of apparent color picture according to the electric weight that passes through in the pixel control that light is passed through from each pixel and the signal voltage size of components of drive circuit incident.
The effect of back light member is that the light that the fluorescent light as light source is sent becomes the even brightness planar light.The thickness of LCD module and power consumption depend on the thin and thick of back light member and improve the degree of light utilization efficiency.
The light that back light member sends is by a plurality of grids on the screen, and brightness weakens gradually, has only about 5% incident light by preceding polarizer (Front Polarizer).
Components of drive circuit is by ' TFT-Array ' and ' Color Filter ' substrate constitutes, and is provided with ' the driving circuit device of Driver IC ' around.Driving circuit adopts the multi-layer PCB form, has used ' Surface MountingTechnology (SMT) ' (process of surface treatment) technology for making circuit annex sensitization and densification.' Driver IC ' is made into ' TapeCarrier Package (TCP) ' (magnetic tape type Carrier shell) form, is placed on PCB and is connected the two with screen is middle.
With above-mentioned, the TFT lcd screen of making, back light member, driving circuit device fits together with casing element (Chassis Unit), is called the TFT module.
In the process of using existing LCD display, regulate the brightness of picture, the user just must be directly with Menu key and operating key around the manual manipulation display picture.
But the user uses Menu key and operating key to feel pretty troublesome in the course of the work, and in fact, most users only keep single brightness owing to dislike trouble.
In order to reduce trouble, Korea S has announced the 10-1998-0006869 patent, and beginning to research and develop can be according to the display with adjustable brightness function of the automatic brightness adjustment display brightness of installing on every side.
Summary of the invention
But, nearest LCD display is not simple only to be connected with computing machine itself, it has exceeded this usable range, more additional function is provided, for using these additional functions, be provided with the input terminal that can receive various vision signals, thus can receiving video signals, the circuit component signal, multiple signals such as combination broadcasting signal.Have only the vision signal of input is processed into unified digital video signal, could on the LCD picture, show.
Therefore, the brightness of LCD display not only can automatically adjust according to the brightness of surrounding environment, can also regulate automatically according to the video file content that picture shows.Be that the present invention judges the video file that is presented in the LCD display picture, judge that this signal is to belong to generic-document, film, sports tournament, still caricature, projection instrument data, any in the types such as video, consider the brightness of surrounding environment again, the brightness of an optimal display is provided then automatically.
Purpose of the present invention is exactly for solving prior art problem that exists and the technology of improving this field, thereby researched and developed the video file content that can show according to picture or, regulated the flat video display with adjustable brightness function of the picture brightness of video display automatically according to the surrounding brightness of video display.
To achieve these goals, the flat video display with adjustable brightness function comprises:, the light perception device, its effect is the brightness around the perception, exports the electric signal of prescribed level then; Analog/digital conversion device, its effect are that the perceptual signal of above-mentioned light perception device perception is converted to digital signal and output; Video process apparatus, its effect are that the regulation vision signal of importing by the input terminal of regulation is processed into signal and the output that flat video display can show; Microelectronics processor, its effect are the contents of judging the vision signal of display processing unit output, or the input terminal of the vision signal by confirming to be imported into above-mentioned video process apparatus, judge present mode.And judge the intensity of the perceptual signal of above-mentioned analog/digital conversion device output, then according to the comprehensive result who judges, the control signal that output conforms to judgment model in setting in advance a plurality of backlight illumination control signals of storage; Converter apparatus backlight, its effect are to export variable voltage signal that conforms to the control signal rank of above-mentioned microelectronics processor output and the brightness of controlling lamp.
In addition, have the flat video display of adjustable brightness function, also comprise: video process apparatus, its effect are that the regulation vision signal of importing by the input terminal of regulation is carried out Video processing and output, make it to show on flat video display; The microelectronics processor, its effect is the input terminal that is imported into the vision signal of above-mentioned video process apparatus by affirmation, judge present mode, then the control signal that output conforms to judgment model according to judgment model in setting in advance a plurality of backlight illumination control signals of storage; Converter apparatus backlight, its effect are to export variable voltage signal that conforms to the control signal rank of above-mentioned microelectronics processor output and the brightness of controlling lamp.
Above Shuo Ming flat video display with adjustable brightness function, can according to be presented on the LCD display the video file application categories or according to the surrounding brightness of video display, regulate the brightness of video display automatically.
Therefore, the user is when browsing the regulation video file, and the present invention will or consider factor such as LCD display surrounding brightness according to the kind of video program, provides an optimal picture brightness to the user.Like this, when reducing eyes of user fatigue, also can make the user use LCD display easily.
Description of drawings
Fig. 1 is the pie graph that has the flat video display device of adjustable brightness function according to of the present invention.
Fig. 2 a to Fig. 2 b is the further explanatory drawings of the converter apparatus backlight shown in Fig. 1 and the coordinate diagram that shows according to its operation.
11: light perception device 12: multiplying arrangement
13: analog/digital conversion device 14: the microelectronics processor
15: video process apparatus 16: converter apparatus backlight
17：LCD
Embodiment
Below with reference to accompanying drawings formation and the operation with flat video display of adjustable brightness function of the present invention is elaborated.
Fig. 1 is the pie graph that has the flat video display device of adjustable brightness function according to of the present invention.With reference to Fig. 1, comprise 5 parts according to the flat video display with adjustable brightness function of the present invention: one, the light perception device 11, and its effect is the brightness around the perception, export the electric signal of prescribed level then; Two, multiplying arrangement 12, and its effect is that the perceptual signal of light perception device 11 perception is amplified and output with the prescribed level that sets in advance; Three, the analog/digital conversion device 13, and its effect is that the conversion of signals from multiplying arrangement 12 outputs is become digital signal and output; Four, video process apparatus 15, its effect be the input terminal by regulation (DSUB, DVI-D) Shu Ru regulation vision signal is processed into the signal that flat video display can show and also exports; Five, the microelectronics processor 14, and its effect is a content of judging the vision signal of display processing unit 15 outputs, or the input terminal of the vision signal by confirming to be imported into above-mentioned video process apparatus 15, judge present mode.And judge the intensity of the perceptual signal of above-mentioned analog/digital conversion device 13 outputs, then according to the comprehensive result who judges, the control signal that output conforms to judgment model in setting in advance a plurality of backlight illumination control signals of storage.Six, converter apparatus 16 backlight, its effect are to export variable voltage signal that conforms to the control signal rank of above-mentioned microelectronics processor 14 outputs and the brightness of controlling lamp.
Here, light perception device 11 is provided with the photodiode more than 1 around the LCD display screen.
And multiplying arrangement 12 has used the OP lamp, not only can amplifying signal, but also do not hinder any circuit.
The front end of video process apparatus 14 has many circuit modules, and its effect is to handle vision signal according to the kind of the vision signal of input.
Video process apparatus 14 confirms the vision signal of input is by which input terminal, in the content of having extracted the video file that vision signal comprises, kind, after character or the extraction information relevant, it and the vision signal of having carried out Video processing together are sent to microelectronics processor 14 with type.
So microelectronics processor 14 just can be judged the content of the vision signal of video process apparatus 15 outputs.For example, microelectronics processor 14 can judge computing machine by DSUB terminal input be generic-document, or other vision signals.Also can judge by DVI-D terminal input be film, physical culture, or news then according to the result who judges, are exported the control signal that conforms to judgment model in setting in advance a plurality of backlight illumination control signals of storage.
And the input terminal of the vision signal of microelectronics processor 14 by confirming to be input to video process apparatus 15 just can be judged present mode.For example, microelectronics processor 14 judges that the vision signal of current input still is the input of DVI-D terminal by the DUSB terminal, judges that with this present mode is PC pattern or AV pattern.Because the PC pattern is lower relatively than the rank of AV pattern, so PC pattern is in this way just exported low-level backlight illumination control signal.
Microelectronics processor 14 is judged the intensity of the perceptual signal of analog/digital conversion device 13 outputs, then according to the result who judges, and the control signal that output conforms to judgment model in setting in advance a plurality of backlight illumination control signals of storage.
Microelectronics processor 14 selectively makes up above three judged results, and that can adopt also can all adopt.
Shown in Fig. 2 a to Fig. 2 b, converter apparatus 16 backlight preferably is equipped with resistance (R1) or capacitor (C1) and the variohm (VR) more than at least 1, fluorescent light (R).
With reference to Fig. 2 a to Fig. 2 b, when converter apparatus 16 backlight is equipped with resistance and capacitor, just can confirm the variable quantity of operating point and load line by the feature of element.
As shown in Figure 1, the flat video display with adjustable brightness function of the present invention is not having sensing device 11, under the situation of multiplying arrangement 12 and analog/digital conversion device 13, and also can operate as normal.At this moment, microelectronics processor 14 is just carried out following function operations, be input to the input terminal of the vision signal of video process apparatus 15 by affirmation, judge that present mode is PC pattern or AV pattern, the control signal that conforms to judgment model is exported according to the result who judges in the back in setting in advance a plurality of backlight illumination control signals of storage.
By above-mentioned explanation, those skilled in the art can carry out various change and modification fully in the scope that does not depart from this invention technological thought.Therefore, the technical scope of this invention is not limited to the content on the instructions, must determine its technical scope according to interest field.
The present invention not only limits above example, in thought range of the present invention and other a plurality of fields personage of having certain knowledge can do more kinds of distortion.
Claims (4)
1, a kind of flat video display with adjustable brightness function comprises: the light perception device, and the electric signal of prescribed level is exported in the brightness around the perception then; The analog/digital conversion device converts the perceptual signal of above-mentioned light perception device perception to digital signal and output; Video process apparatus is processed into signal and the output that flat video display can show to the regulation vision signal of importing by the input terminal of regulation; The microelectronics processor, judge the content of the vision signal of display processing unit output, or the input terminal of the vision signal by confirming to be imported into above-mentioned video process apparatus, judge present mode, and judge the intensity of the perceptual signal of above-mentioned analog/digital conversion device output, then according to the comprehensive result who judges, the control signal that output conforms to judgment model in setting in advance a plurality of backlight illumination control signals of storage; Converter apparatus backlight, variable voltage signal that output conforms to the control signal rank of above-mentioned microelectronics processor output and the brightness of controlling lamp.
2, as claim item 1 described flat video display with adjustable brightness function, it is characterized in that: video process apparatus confirms the vision signal of input is by which input terminal, in the content of having extracted the video file that vision signal comprises, kind, after character or the extraction information relevant, it and the vision signal of having carried out Video processing together are sent to the microelectronics processor with type.
3, as claim item 1 described flat video display with adjustable brightness function, be characterised in that: above-mentioned converter apparatus backlight has resistance or capacitor and the variohm more than at least 1, fluorescent light.
4, a kind of flat video display with adjustable brightness function comprises: video process apparatus, the regulation vision signal of importing by the input terminal of regulation is carried out Video processing and output, and make it on flat video display, to show; The microelectronics processor, be imported into the input terminal of the vision signal of above-mentioned video process apparatus by affirmation, judge present mode, then the control signal that output conforms to judgment model according to judgment model in setting in advance a plurality of backlight illumination control signals of storage; Converter apparatus backlight, variable voltage signal that output conforms to the control signal rank of above-mentioned microelectronics processor output and the brightness of controlling lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510095574 CN1967644A (en) | 2005-11-18 | 2005-11-18 | Flat video display capable of adjusting brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510095574 CN1967644A (en) | 2005-11-18 | 2005-11-18 | Flat video display capable of adjusting brightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1967644A true CN1967644A (en) | 2007-05-23 |
Family
ID=38076386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510095574 Pending CN1967644A (en) | 2005-11-18 | 2005-11-18 | Flat video display capable of adjusting brightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1967644A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470166B (en) * | 2007-12-26 | 2011-08-03 | 技嘉科技股份有限公司 | Method and system for detecting control circuit with voltage regulation function |
| CN103686350A (en) * | 2013-12-27 | 2014-03-26 | 乐视致新电子科技（天津）有限公司 | Method and system for adjusting image quality |
-
2005
- 2005-11-18 CN CN 200510095574 patent/CN1967644A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470166B (en) * | 2007-12-26 | 2011-08-03 | 技嘉科技股份有限公司 | Method and system for detecting control circuit with voltage regulation function |
| CN103686350A (en) * | 2013-12-27 | 2014-03-26 | 乐视致新电子科技（天津）有限公司 | Method and system for adjusting image quality |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI398846B (en) | Liquid crystal display and dimming controlling method thereof | |
| CN100489640C (en) | Apparatus and method for adjusting display-related setting of an electronic device | |
| CN104299601B (en) | Mosaic screen backlight illumination Automatic adjustment method and device, mosaic screen | |
| CN1262982C (en) | Display device with adjustable back light part and control method therefor | |
| CN101673521B (en) | Liquid crystal display device and method for processing digital image signal | |
| EP2113905A1 (en) | Method of local dimming a light source, light source apparatus for performing the method, and display apparatus having the light source apparatus | |
| US10964275B2 (en) | Displays with adjustable direct-lit backlight units and adaptive processing | |
| CN1509465A (en) | Method and apparatus for enabling power management of flat-panel display | |
| CN108198534A (en) | Display methods, display optimization device and display device | |
| CN1637827A (en) | Method and apparatus for driving liquid crystal display | |
| CN1269004C (en) | Window brightness enhancement for LCD display | |
| CN1725291A (en) | Information processing apparatus and display control method | |
| CN202796008U (en) | Display color brightness adjusting device and display device | |
| JP7473102B2 (en) | Display brightness adjustment method and related device | |
| US10872558B2 (en) | Image display processing method and device, display device and non-volatile storage medium | |
| CN1637830A (en) | Driving system for a liquid crystal display | |
| CN1967644A (en) | Flat video display capable of adjusting brightness | |
| CN101149902A (en) | Image display instrument | |
| US20080170030A1 (en) | Image processing apparatus | |
| US20120200484A1 (en) | Dynamic backlight control for video displays | |
| CN1355478A (en) | Method for improving display effect of network page | |
| CN108535917A (en) | A kind of design method of LED backlight and LED screen | |
| EP2317218A1 (en) | Light emitting module, backlight unit and display apparatus | |
| KR100816940B1 (en) | Method and apparatus for controlling contrast of LCD | |
| CN2812499Y (en) | Automatic brightness adjuster for display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |