CN101908322B - Display method of liquid crystal display television - Google Patents
Display method of liquid crystal display television Download PDFInfo
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- CN101908322B CN101908322B CN2009101457437A CN200910145743A CN101908322B CN 101908322 B CN101908322 B CN 101908322B CN 2009101457437 A CN2009101457437 A CN 2009101457437A CN 200910145743 A CN200910145743 A CN 200910145743A CN 101908322 B CN101908322 B CN 101908322B
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Abstract
The invention relates to a display method of a liquid crystal display television (LCD TV), which comprises the following steps: firstly, starting a back light module of the LCD TV so as to provide a backlight source with a first lightness, and starting a LCD panel of the LCD TV so as to continually display an input signal provided by a signal source; then, when the standing time of the input signal provided by the signal source or the time that the signal source stops providing the input signal exceeds the preset period, reducing the lightness of the backlight source provided by the back light module from the first lightness, and continually opening the LCD panel; and finally, when the input signal provided by the back light source changes again or the signal source restarts to provide the input signal, restoring the lightness of the backlight source provided by the backlight module to be the first lightness.
Description
Technical field
The present invention relates to a kind of display packing, relate in particular to a kind of display packing of LCD TV.
Background technology
In recent years, increasingly mature along with photoelectric technology and semiconductor fabrication, flat-panel display devices is just flourish.Wherein, LCD TV is because advantage such as low voltage operating, radiationless line scattering, in light weight and volume be little, replaces traditional cathode-ray tube TV gradually and becomes the main flow of tv product in recent years.
Traditional LCD TV can show that alabastrine picture or blue screen let the user know and be no signal condition now when not receiving the input of radio frequency signal or peripheral audio-visual equipment no signal.At this moment, the backlight that the module backlight of LCD TV provided is still kept original brightness and consumed power causes unnecessary energy dissipation.In addition, when the signal of importing when peripheral audio-visual equipment immobilized, when for example the user pressed Pause key, the backlight that module backlight provided was kept original brightness too and is wasted energy.Along with environmental consciousness strengthens and to the raising gradually of the energy-conservation requirement of product gradually; When the LCD TV of parts of traditional immobilized at the signal that continues no signal input in a period of time or input, module backlight and the liquid crystal panel that can directly close LCD TV were to reach energy-conservation purpose.Yet it is because the signal of no signal input or input immobilizes that this mode lets the user can't understand that LCD TV closes, and causes the inconvenience of user when using LCD TV.
Summary of the invention
The present invention provides a kind of display packing of LCD TV, and existing energy-saving effect can not reduce LCD TV convenience in the use again.
The display packing of a kind of LCD TV of the present invention comprises the following steps.At first, a module backlight of opening LCD TV to be providing the backlight with one first brightness, and opens the input signal of a liquid crystal panel to continue to show that a signal source is provided of LCD TV.Then, when time that input signal that signal source provided remains unchanged or signal source stop to provide the time of input signal surpass one preset during, make the brightness of the backlight that module backlight provides begin to reduce, and continue to open liquid crystal panel by first brightness.Then, when input signal that signal source provided begins to change or signal source restarts to provide input signal once again, making the luminance recovery of the backlight that module backlight provides is first brightness.
In an embodiment of the display packing of LCD TV of the present invention, the step that the brightness of backlight is reduced comprises the brightness that reduces backlight gradually.
In an embodiment of the display packing of LCD TV of the present invention, the step that the brightness of backlight is reduced comprises closes module backlight.
In an embodiment of the display packing of LCD TV of the present invention, the step that the brightness of backlight is reduced comprises the value of the drive current that reduces module backlight.
In an embodiment of the display packing of LCD TV of the present invention, display packing also comprise by a user set preset during.
Based on above-mentioned; The mode of the brightness of the display packing of LCD TV of the present invention reduction backlight capable of using reaches energy-conservation purpose, and can let the user understand present user mode according to the liquid crystal panel that continues to open again increases LCD TV convenience in the use.
For making above-mentioned feature and advantage of the present invention more obviously understandable, hereinafter is special lifts embodiment, and combines accompanying drawing to elaborate as follows.
Description of drawings
Fig. 1 is the process flow diagram of display packing of the LCD TV of one embodiment of the invention.
The main element symbol description:
S10～S30: step.
Embodiment
Fig. 1 is the process flow diagram of display packing of the LCD TV of one embodiment of the invention.The display packing of present embodiment is applicable to LCD TV.LCD TV comprises liquid crystal panel and module backlight.Liquid crystal panel is used for the input signal that display source signal provides, and signal source can be DVD player, wire/wireless TV signal source, computer or other signal sources.Module backlight is in order to provide liquid crystal panel required backlight.Module backlight can be cathode fluorescent tube, light emitting diode or other luminescence components.
As shown in Figure 1, the module backlight of at first opening LCD TV is to provide the backlight with one first brightness, and the liquid crystal panel of opening LCD TV simultaneously is to continue the input signal that display source signal is provided, and is of the step S10 of Fig. 1.Particularly, first brightness of the backlight that module backlight provided is can let LCD TV normally be shown as principle among the step S10.Usually, first brightness of indication can let the user adjust according to the personal like here.
Then; Step S20 like Fig. 1 is said; When the time that input signal that signal source provided remains unchanged surpass one preset during; Or when signal source stop to provide the time of input signal surpass this preset during, then make the brightness of the backlight that module backlight provides begin to reduce, and continue to open liquid crystal panel by first brightness.For example, after LCD TV is opened, the state of the input signal that promptly lasting detection signal source is provided.When input signal that signal source provided remains unchanged (for example user press DVD player Pause key), and the time that remains unchanged surpass preset during, just the brightness with backlight begins reduction by first brightness.Perhaps, when signal source no longer provides input signal (for example TV signal interrupt or playing programs finishes), and not the time of input signal surpass preset during, also the brightness with backlight is begun to reduce by first brightness.Wherein, the brightness of backlight can be reduction gradually or directly drop to preset brightness.Finally, can select to close fully backlight or the brightness of backlight is maintained the level lower than first brightness, continue simultaneously to open liquid crystal panel, let the user can find out obviously that present LCD TV is in the state of improper demonstration.
In addition, aforesaid can be that manufacturer by LCD TV accomplishes setting during preset before dispatching from the factory, and also can open to the user, lets the user set up on their own according to demand.In addition, the mode of the brightness of reduction backlight can be to reduce the value of the drive current of module backlight.
Then; Step S30 like Fig. 1 is said; When input signal that signal source provided begins to change (for example the user presses the play button of DVD player) once again; Or restart to provide input signal (for example TV signal recovery) when signal source, then making the luminance recovery of the backlight that module backlight provides is first brightness.That is, LCD TV returns to the state of normal demonstration.
In sum, in the display packing of LCD TV of the present invention, when LCD TV was in the changeless improper show state of signal interruption or signal, the brightness of the backlight that module backlight provides was lowered, but liquid crystal panel then continues to open.Therefore, the mode of the brightness of reduction backlight capable of using is carried out energy-conservation, and the user can understand present user mode according to the liquid crystal panel that continues to open again, and then in energy-conservation, increases the convenience on using.
What should explain at last is: above embodiment is only in order to technical scheme of the present invention to be described but not limit it; Although the present invention has been carried out detailed explanation with reference to preferred embodiment; Those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement technical scheme of the present invention, also can not make amended technical scheme break away from the spirit and the scope of technical scheme of the present invention and these are revised or be equal to replacement.
Claims (4)
1. the display packing of a LCD TV comprises:
A module backlight of opening said LCD TV to be providing the backlight with one first brightness, and opens the input signal of a liquid crystal panel to continue to show that a signal source is provided of said LCD TV;
When time that input signal that said signal source provided remains unchanged or said signal source stop to provide the time of input signal surpass one preset during; Make the brightness of the said backlight that said module backlight provides begin to reduce, and continue to open said liquid crystal panel by said first brightness; And
When input signal that said signal source provided begins to change or said signal source restarts to provide input signal once again, making the luminance recovery of the said backlight that said module backlight provides is said first brightness.
Set by a user during wherein said the presetting.
2. the display packing of LCD TV according to claim 1 wherein makes the step of the brightness reduction of said backlight comprise the brightness that reduces said backlight gradually.
3. the display packing of LCD TV according to claim 1, the step that the brightness of said backlight is reduced comprises closes said module backlight.
4. the display packing of LCD TV according to claim 1, the step that the brightness of said backlight is reduced comprises the value of the drive current that reduces said module backlight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101457437A CN101908322B (en) | 2009-06-05 | 2009-06-05 | Display method of liquid crystal display television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101457437A CN101908322B (en) | 2009-06-05 | 2009-06-05 | Display method of liquid crystal display television |
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| Publication Number | Publication Date |
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| CN101908322A CN101908322A (en) | 2010-12-08 |
| CN101908322B true CN101908322B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101457437A Active CN101908322B (en) | 2009-06-05 | 2009-06-05 | Display method of liquid crystal display television |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568428A (en) * | 2012-02-29 | 2012-07-11 | 北京百纳威尔科技有限公司 | Awakening method for liquid crystal display screen and electronic equipment with liquid crystal display screen |
| CN102957886A (en) * | 2012-11-13 | 2013-03-06 | 广东长虹电子有限公司 | System and method for controlling television set backlight |
| CN103021348A (en) * | 2012-12-28 | 2013-04-03 | 东莞宇龙通信科技有限公司 | Display device and screen backlight control method |
| CN105141773A (en) * | 2015-09-09 | 2015-12-09 | 小米科技有限责任公司 | Backlight adjusting method and backlight adjusting device |
| CN105609086A (en) * | 2015-12-30 | 2016-05-25 | 深圳Tcl数字技术有限公司 | Brightness adjustment method and device of display interface |
| CN106228932A (en) * | 2016-08-18 | 2016-12-14 | 深圳市华星光电技术有限公司 | OLED display and the method for display image thereof |
| CN108806637B (en) * | 2017-05-05 | 2020-07-24 | 神讯电脑(昆山)有限公司 | Display device and display method thereof |
| CN111026234A (en) * | 2019-11-21 | 2020-04-17 | Tcl华星光电技术有限公司 | Display and desktop computer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1766977A (en) * | 2005-10-10 | 2006-05-03 | 深圳创维－Rgb电子有限公司 | TV set LCD time sequence controlling method during standby |
| CN1805568A (en) * | 2005-01-13 | 2006-07-19 | 乐金电子(中国)研究开发中心有限公司 | Method of controlling mobile telephone power consumption and its mobile telephone |
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2009
- 2009-06-05 CN CN2009101457437A patent/CN101908322B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1805568A (en) * | 2005-01-13 | 2006-07-19 | 乐金电子(中国)研究开发中心有限公司 | Method of controlling mobile telephone power consumption and its mobile telephone |
| CN1766977A (en) * | 2005-10-10 | 2006-05-03 | 深圳创维－Rgb电子有限公司 | TV set LCD time sequence controlling method during standby |
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| CN101908322A (en) | 2010-12-08 |
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