CN103021315A - Method for improving displaying effect of display screen and terminal thereof - Google Patents
Method for improving displaying effect of display screen and terminal thereof Download PDFInfo
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- CN103021315A CN103021315A CN2012105273542A CN201210527354A CN103021315A CN 103021315 A CN103021315 A CN 103021315A CN 2012105273542 A CN2012105273542 A CN 2012105273542A CN 201210527354 A CN201210527354 A CN 201210527354A CN 103021315 A CN103021315 A CN 103021315A
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- 230000000694 effects Effects 0.000 title claims abstract description 25
- 230000003287 optical effect Effects 0.000 claims abstract description 12
- 206010070834 Sensitisation Diseases 0.000 claims description 19
- 230000008313 sensitization Effects 0.000 claims description 19
- 238000013507 mapping Methods 0.000 claims description 15
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Abstract
The invention discloses a method for improving a displaying effect of a display screen and a terminal device thereof. The terminal device comprises an optical sensor, a main chip and a photoreceptive integrated circuit (IC). The method includes the following steps: a, a plurality of groups of display screen gamma values are set, and each group of gamma values correspond to light intensity of one ambient light range; b, The optical sensor senses ambient light, obtains light intensity, and sends the light intensity to the photoreceptive IC; c, the photoreceptive IC analyzes the ambient light intensity, obtains a tone value, a brightness value and a saturation value of the ambient light, and sends the tone value, the brightness value and the saturation value of the ambient light to the main chip; and d, the main chip calls a preset display screen gamma value according to the ambient light and sends the gamma value to the display screen, and the display screen adjusts contrast ratio. Under different ambient lights, corresponding display screen gamma values are set to adjust the contrast ratio of display screen, and the purpose of improvement of the displaying effect of the display screen is achieved.
Description
Technical field
The present invention relates to a kind of terminal device display screen display technique under varying environment light, particularly relate to a kind of dynamic adjustment gamma value (gamma value), to promote method and the terminal thereof of display screen display effect.
Background technology
Along with the development of handheld device, the user is more and more higher to the requirement of intelligent terminal, and the user has different demands under different scenes.For example (under the sunshine direct projection) is exactly this wherein most important one to the requirement of display effect under high light.To this traditional treatment method, by improving the brightness of backlight, perhaps from the aspects such as structured material of display screen, the harm of bringing like this is the increase of Overall Power Consumption and the continuous rising of display screen cost, and this is all the be unwilling result that sees of any handheld device manufacturer and user.
The display gamma value is the physical attribute of display generally speaking, and is fixing, constant, uncorrectable.The display gamma has different implications in different context environmentals, a meaning refers to the output image of display to the distortion of input signal, and another meaning refers to the concrete numerical value of this distortion.The gamma correction process is the system gamma of correcting computer because display gamma and file gamma are changeless! So that display gamma, system gamma, three conversion of file gamma be superposed to 1.0, thereby make the image of final display the same with original scene, do not have distortion.
If adjust the gamma value of display then cause easily distortion, how can when adjusting gamma value, decrease distortion situation be the problem that the present invention need to solve.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of method and terminal thereof that promotes display screen display effect is provided, dynamically adjust gamma value according to different surround lightings, make the display frame sense that more has levels, display frame is more clear, better effects if brings good experience for user's vision.
In order to achieve the above object, the technical solution used in the present invention is, a kind of method that promotes display screen display effect is applied to terminal device, and described terminal device comprises optical sensor, master chip and sensitization IC, may further comprise the steps:
A., many group display screen gamma values are set, and the light intensity in each corresponding surround lighting interval of group gamma value;
B. optical sensor induced environment light, and obtain light intensity, send light intensity to sensitization IC;
C. sensitization IC analyzes ambient light intensity, obtains tone value, brightness value and the intensity value of surround lighting, and sends master chip to;
D. master chip calls default display screen gamma value according to surround lighting, and sends this gamma value to display screen, and display screen is adjusted the contrast of display screen according to gamma value.
Further, step a specifically comprises:
Step S101. is divided into N interval with the surround lighting light intensity;
Step S102. arranges N group display screen gamma value according to light intensity;
Step S103. arranges the one by one mapping relations in gamma value and light intensity interval.
Further, among the described interval N, N is the integer greater than zero, by default.
Further, the described master chip of steps d calls default display screen gamma value according to surround lighting and specifically comprises:
Step S201. reads the interval of surround lighting according to tone value, brightness value and the intensity value of surround lighting;
Step S202. obtains and the interval corresponding gamma value of surround lighting with the mapping relations of gamma value according to surround lighting is interval;
The gamma value of step S203. correspondence is set to current display screen gamma value.
Further, described method further comprises a virtual switch, is used for automatically regulating display screen contrast and manual adjustments display screen to switching between comparing.
A kind of terminal of method of described lifting display screen display effect comprises:
Module is set, is used for arranging many group display screen gamma values, and the light intensity in each corresponding surround lighting interval of group gamma value;
Optical sensor is used for induced environment light, and obtains light intensity, sends light intensity to sensitization IC;
Sensitization IC is used for ambient light intensity is analyzed, and obtains tone value, brightness value and the intensity value of surround lighting, and sends master chip to;
Master chip is used for calling default display screen gamma value according to surround lighting, and sends this gamma value to display screen, and display screen is adjusted the contrast of display screen according to gamma value.
Further, the described module that arranges comprises:
The interval division module is used for the surround lighting light intensity is divided into N interval;
The gamma value grouping arranges module, is used for according to light intensity N group display screen gamma value being set;
The mapping settings module is for the one by one mapping relations that gamma value and light intensity interval are set.
Further, described master chip comprises:
Read module is used for the interval of reading surround lighting according to tone value, brightness value and the intensity value of surround lighting;
Acquisition module is used for obtaining and the interval corresponding gamma value of surround lighting with the mapping relations of gamma value according to surround lighting is interval;
Gamma value arranges module, and the gamma value that is used for correspondence is set to current display screen gamma value.
Further, described terminal is portable terminal.
Further, described portable terminal comprises mobile phone, computer, MP3 player, MP4 player and E-book reader.
Compared with prior art, the invention has the beneficial effects as follows: under varying environment light, corresponding display screen gamma value is set, the contrast of regulating display screen reaches the purpose that improves display screen display effect.
Description of drawings
Fig. 1 is method flow diagram of the present invention;
Fig. 2 is principle of the invention block diagram.
Embodiment
Be elaborated with reference to accompanying drawing below in conjunction with embodiment, in order to technical characterictic of the present invention and advantage are carried out more deep annotation.
Method flow diagram of the present invention as shown in Figure 1, a kind of method that promotes display screen display effect is applied to terminal device, described terminal device comprises optical sensor, master chip and sensitization IC, may further comprise the steps:
A., many group display screen gamma values are set, and the light intensity in each corresponding surround lighting interval of group gamma value;
B. optical sensor induced environment light, and obtain light intensity, send light intensity to sensitization IC;
C. sensitization IC analyzes ambient light intensity, obtains tone value, brightness value and the intensity value of surround lighting, and sends master chip to;
D. master chip calls default display screen gamma value according to surround lighting, and sends this gamma value to display screen, and display screen is adjusted the contrast of display screen according to gamma value.
Further, step a specifically comprises:
Step S101. is divided into N interval with the surround lighting light intensity, and 2 two intervals for example are set, and is outdoor and indoor, also can increase daytime and evening, specifically divides according to its light intensity;
Step S102. arranges N group display screen gamma value according to light intensity;
Step S103. arranges the one by one mapping relations in gamma value and light intensity interval.
Further, among the described interval N, N is the integer greater than zero, by default.
Further, the described master chip of steps d calls default display screen gamma value according to surround lighting and specifically comprises:
The interval that step S201. reads surround lighting according to tone value, brightness value and the intensity value of surround lighting, for example this interval falls into outdoor light intensity the space is set, and then is judged as the environment of user open air;
Step S202. obtains and the interval corresponding gamma value of surround lighting with the mapping relations of gamma value according to surround lighting is interval, calls outdoor gamma value according to judgement;
The gamma value of step S203. correspondence is set to current display screen gamma value.
Further, described method further comprises a virtual switch, is used for automatically regulating display screen contrast and manual adjustments display screen to switching between comparing.
A kind of terminal of method of described lifting display screen display effect comprises:
Module is set, is used for arranging many group display screen gamma values, and the light intensity in each corresponding surround lighting interval of group gamma value;
Optical sensor is used for induced environment light, and obtains light intensity, sends light intensity to sensitization IC;
Sensitization IC is used for ambient light intensity is analyzed, and obtains tone value, brightness value and the intensity value of surround lighting, and sends master chip to;
Master chip is used for calling default display screen gamma value according to surround lighting, and sends this gamma value to display screen, and display screen is adjusted the contrast of display screen according to gamma value.
Further, the described module that arranges comprises:
The interval division module is used for the surround lighting light intensity is divided into N interval;
The gamma value grouping arranges module, is used for according to light intensity N group display screen gamma value being set;
The mapping settings module is for the one by one mapping relations that gamma value and light intensity interval are set.
Further, described master chip comprises:
Read module is used for the interval of reading surround lighting according to tone value, brightness value and the intensity value of surround lighting;
Acquisition module is used for obtaining and the interval corresponding gamma value of surround lighting with the mapping relations of gamma value according to surround lighting is interval;
Gamma value arranges module, and the gamma value that is used for correspondence is set to current display screen gamma value.
Further, described terminal is portable terminal.
Further, described portable terminal comprises mobile phone, computer, MP3 player, MP4 player and E-book reader.
Display screen arranges several groups of different gamma values in order to debug effect in display screen drive IC inside.Then, the software by mobile phone terminal removes to call these gamma values, and traditional mode is, just is one group of fixing gamma value after display screen is debugged, and can not have two groups or two groups of above gamma values.The present invention changes traditional method, and several groups of different gamma values are set in the drive IC of display screen, then removes to call these gamma values according to different conditions.Specific implementation: optical sensor induction external environment light intensity, then by sensitization IC external environment light is converted into one group of data, then these group data are passed to master chip, master chip is organized data according to this, selected with it correspondence, the display screen gamma value that before sets in software is organized the contrast that gamma value removes to change display screen with this.The present invention has two kinds of implementations: automatically regulate display screen contrast 1.; 2. manual adjustments display screen contrast.Automatically regulating is exactly according to the environment light intensity, and the mobile phone Lookup protocol is for following the corresponding contrast of light intensity; Manual adjustments is exactly that user oneself can drag the progress bar of a display screen contrast or input one group of data, the contrast of free adjustment display screen.
The present invention changes one group of fixing gamma value of traditional display screen, and under different light intensity, then the gamma value that the display screen setting adapts with it utilizes cell phone software to go down to call corresponding with it gamma value in different light intensity.For example under high light, can remove to call one group of gamma value, the setting of this group gamma value is to adapt under the high light environment, and its contrast is higher.GTG draws high more obvious.And under the indoor weak light condition, can call other one group of gamma value, this contrast with respect to meeting under the high light a little less than, more pay attention to the true of reduction degree.
As shown in Figure 2, under the outdoor environment (environmental light intensity), solar light irradiation is to mobile phone, mobile phone sensitization IC senses the environment light intensity, and then sensitization IC is converted into one group of data to this intensity and sends master chip to, and master chip is according to the light intensity data that sends, select one group of gamma value, output to display screen, display screen contrast is changed, and the user feels that the display screen effect is clear.Under the indoor environment (surround lighting is weak), same sensitization IC induced environment light is exported a different set of data to master chip, and master chip is selected other one group of gamma value, outputs to display screen, and display screen is display frame again.
Above content is the further description of the present invention being done in conjunction with concrete optimal way, should not assert that implementation of the present invention is confined to above explanation.For those skilled in the art, without departing from the inventive concept of the premise, can also make some simple deduction or replace, within the protection domain that the claim that all should be considered as being submitted to by the present invention is determined.
Claims (10)
1. a method that promotes display screen display effect is applied to terminal device, and described terminal device comprises optical sensor, master chip and sensitization IC, may further comprise the steps:
A., many group display screen gamma values are set, and the light intensity in each corresponding surround lighting interval of group gamma value;
B. optical sensor induced environment light, and obtain light intensity, send light intensity to sensitization IC;
C. sensitization IC analyzes ambient light intensity, obtains tone value, brightness value and the intensity value of surround lighting, and sends master chip to;
D. master chip calls default display screen gamma value according to surround lighting, and sends this gamma value to display screen, and display screen is adjusted the contrast of display screen according to gamma value.
2. the method for lifting display screen display effect according to claim 1 is characterized in that, step a specifically comprises:
Step S101. is divided into N interval with the surround lighting light intensity;
Step S102. arranges N group display screen gamma value according to light intensity;
Step S103. arranges the one by one mapping relations in gamma value and light intensity interval.
3. the method for lifting display screen display effect according to claim 2 is characterized in that: among the described interval N, N is the integer greater than zero, by default.
4. the method for lifting display screen display effect according to claim 3 is characterized in that, the described master chip of steps d calls default display screen gamma value according to surround lighting and specifically comprises:
Step S201. reads the interval of surround lighting according to tone value, brightness value and the intensity value of surround lighting;
Step S202. obtains and the interval corresponding gamma value of surround lighting with the mapping relations of gamma value according to surround lighting is interval;
The gamma value of step S203. correspondence is set to current display screen gamma value.
5. the method for lifting display screen display effect according to claim 4, it is characterized in that: described method further comprises a virtual switch, is used for automatically regulating display screen contrast and manual adjustments display screen to switching between comparing.
One kind according to claim 1-5 in the terminal of method of each described lifting display screen display effect, it is characterized in that, comprising:
Module is set, is used for arranging many group display screen gamma values, and the light intensity in each corresponding surround lighting interval of group gamma value;
Optical sensor is used for induced environment light, and obtains light intensity, sends light intensity to sensitization IC;
Sensitization IC is used for ambient light intensity is analyzed, and obtains tone value, brightness value and the intensity value of surround lighting, and sends master chip to;
Master chip is used for calling default display screen gamma value according to surround lighting, and sends this gamma value to display screen, and display screen is adjusted the contrast of display screen according to gamma value.
7. the terminal of the method for lifting display screen display effect according to claim 6 is characterized in that, the described module that arranges comprises:
The interval division module is used for the surround lighting light intensity is divided into N interval;
The gamma value grouping arranges module, is used for according to light intensity N group display screen gamma value being set;
The mapping settings module is for the one by one mapping relations that gamma value and light intensity interval are set.
8. the terminal of the method for lifting display screen display effect according to claim 7 is characterized in that, described master chip comprises:
Read module is used for the interval of reading surround lighting according to tone value, brightness value and the intensity value of surround lighting;
Acquisition module is used for obtaining and the interval corresponding gamma value of surround lighting with the mapping relations of gamma value according to surround lighting is interval;
Gamma value arranges module, and the gamma value that is used for correspondence is set to current display screen gamma value.
9. the terminal of the method for lifting display screen display effect according to claim 8, it is characterized in that: described terminal is portable terminal.
10. the terminal of the method for lifting display screen display effect according to claim 9, it is characterized in that: described portable terminal comprises mobile phone, computer, MP3 player, MP4 player and E-book reader.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210527354.2A CN103021315B (en) | 2012-12-10 | 2012-12-10 | A kind of method and terminal thereof promoting display screen display effect |
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| CN201210527354.2A CN103021315B (en) | 2012-12-10 | 2012-12-10 | A kind of method and terminal thereof promoting display screen display effect |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400557A (en) * | 2013-07-29 | 2013-11-20 | 广东欧珀移动通信有限公司 | Method and device for improving display effect of LCD (Liquid Crystal Display) screen of mobile communication terminal |
| CN104616633A (en) * | 2015-02-27 | 2015-05-13 | 上海天奕达电子科技有限公司 | Method and device for adjusting display screen of portable terminal |
| CN105304061A (en) * | 2015-02-10 | 2016-02-03 | 维沃移动通信有限公司 | Adjusting method of displayed picture of terminal and terminal |
| CN107799092A (en) * | 2017-11-29 | 2018-03-13 | 北京小米移动软件有限公司 | Adjust the method, apparatus and electronic equipment of display brightness |
| CN109545159A (en) * | 2018-11-23 | 2019-03-29 | 京东方科技集团股份有限公司 | Gammate, virtual reality device and its driving method |
| CN110473499A (en) * | 2019-07-18 | 2019-11-19 | 武汉天马微电子有限公司 | Gamma electric voltage adjustment method, display panel and display device for display panel |
| CN110689862A (en) * | 2019-11-13 | 2020-01-14 | 深圳市道通科技股份有限公司 | Screen brightness adjusting method and mobile terminal |
| CN111916031A (en) * | 2019-05-10 | 2020-11-10 | 京东方科技集团股份有限公司 | Display method and display device |
| CN113015017A (en) * | 2021-03-15 | 2021-06-22 | 海信视像科技股份有限公司 | Image quality compensation method and display device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400557A (en) * | 2013-07-29 | 2013-11-20 | 广东欧珀移动通信有限公司 | Method and device for improving display effect of LCD (Liquid Crystal Display) screen of mobile communication terminal |
| CN105304061A (en) * | 2015-02-10 | 2016-02-03 | 维沃移动通信有限公司 | Adjusting method of displayed picture of terminal and terminal |
| CN105304061B (en) * | 2015-02-10 | 2017-11-28 | 维沃移动通信有限公司 | The adjusting method and terminal of the display picture of terminal |
| CN104616633A (en) * | 2015-02-27 | 2015-05-13 | 上海天奕达电子科技有限公司 | Method and device for adjusting display screen of portable terminal |
| CN104616633B (en) * | 2015-02-27 | 2017-03-22 | 上海卓易科技股份有限公司 | Method and device for adjusting display screen of portable terminal |
| CN107799092A (en) * | 2017-11-29 | 2018-03-13 | 北京小米移动软件有限公司 | Adjust the method, apparatus and electronic equipment of display brightness |
| CN109545159A (en) * | 2018-11-23 | 2019-03-29 | 京东方科技集团股份有限公司 | Gammate, virtual reality device and its driving method |
| CN111916031A (en) * | 2019-05-10 | 2020-11-10 | 京东方科技集团股份有限公司 | Display method and display device |
| WO2020228580A1 (en) * | 2019-05-10 | 2020-11-19 | 京东方科技集团股份有限公司 | Display method, display device, and computer storage medium |
| US11804163B2 (en) | 2019-05-10 | 2023-10-31 | Boe Technology Group Co., Ltd. | Display method, display device and computer storage medium |
| CN110473499A (en) * | 2019-07-18 | 2019-11-19 | 武汉天马微电子有限公司 | Gamma electric voltage adjustment method, display panel and display device for display panel |
| CN110473499B (en) * | 2019-07-18 | 2023-11-21 | 武汉天马微电子有限公司 | Gamma voltage debugging method for display panel, display panel and display device |
| CN110689862A (en) * | 2019-11-13 | 2020-01-14 | 深圳市道通科技股份有限公司 | Screen brightness adjusting method and mobile terminal |
| CN113015017A (en) * | 2021-03-15 | 2021-06-22 | 海信视像科技股份有限公司 | Image quality compensation method and display device |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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