CN102954836B - Ambient light sensor, user applying device and display device - Google Patents
Ambient light sensor, user applying device and display device Download PDFInfo
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- CN102954836B CN102954836B CN201210417772.6A CN201210417772A CN102954836B CN 102954836 B CN102954836 B CN 102954836B CN 201210417772 A CN201210417772 A CN 201210417772A CN 102954836 B CN102954836 B CN 102954836B
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Abstract
The invention provides an ambient light sensor which is used in coordination with a display device and separately arranged with the display device. The ambient light sensor comprises an image capture module and a sending module, wherein the image capture module is used for capturing a scene image containing a display picture of the display device and the ambience of the display picture; and the sending module is used for sending the scene image, ambient light information decided by the scene image and a display control signal decided by the ambient light information to the display device. Picture display parameters can be regulated by the display device according to the received scene image, ambient light information or display control signal. The invention further provides a user applying device and the display device. As the ambient light sensor and the display device are separately arranged, the arrangement positions can be selected, and ambient light surrounding the display device can be more accurately detected. Meanwhile, due to the adoption of an image sensor, the acquired ambient light information is more close to the vision of a person, and the picture display parameters of the display device can be more accurately regulated.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of ambient light sensor, user's operative installations and display device.
Background technology
When watching the display screen of direct viewing type Large Copacity information display device as luminous in televisor, computer monitor etc., if the distance of observer and display screen is greater than or several times are greater than the screen dimensions of display screen, display area proportion in the observer visual field of display screen is difficult to definitely be dominant, in this kind of situation, the change of ambient light can affect the display effect of display screen and the visual experience of observer significantly.
For solving the problem, display (parameter) dynamic adjustment technique is developed in prior art, namely environmentally the change of light intensity regulates the display brightness of display screen automatically, thus the harmful effect that the change weakening surround lighting is experienced observer, improve display effect.
Adopt display (parameter) dynamic adjustment technique, be necessary for display device configurations ambient light sensor, first obtain surround lighting relevant information by ambient light sensor, then the display parameter of environmentally light relevant information dynamic adjustments display screen.
The ambient light sensor arranged in a display device at present, is normally arranged on the simple light intensity sensor in same (shell) structure with display screen.Due to the restriction of display screen relative position and the restriction of himself sensing function, this ambient light sensor only can obtain a small amount of element informations such as the ambient light intensity of specific direction, is difficult to accurately obtain human eye to the photoperceptive real information of environment.Such as, be arranged on the ambient light sensor of display device front (Bezel side), the radiation direction that the radiation direction of its perception and observer's eyes receive is contrary; And being arranged on the ambient light sensor of the display device back side (back cover side), the light source position of its perception and the concern of observer are also difficult to overlap apart from (visual focusing) and region.If the inaccurate words of information of the surround lighting obtained, also regulate with regard to being difficult to carry out suitable Dynamic Announce to display screen.
Summary of the invention
In view of this, the invention provides a kind of ambient light sensor, user's operative installations and display device, to solve in prior art, the ambient light sensor be arranged in same structure is difficult to accurately obtain human eye to the photoperceptive real information of environment with display screen, thus is difficult to the problem of display screen being carried out to suitable Dynamic Announce adjustment.
For solving the problem, the invention provides a kind of ambient light sensor, with a display device with the use of, described ambient light sensor and described display device split are arranged, and described ambient light sensor comprises:
Image pickup module, for absorbing the scene image of display frame and the display frame surrounding environment comprising display device;
Sending module, for described scene image, the surround lighting information determined by described scene image or the display control signal determined by described surround lighting information are sent to described display device, wherein, described display device, when receiving described scene image, described surround lighting information or described display control signal, regulates picture display parameter according to described scene image, described surround lighting information or described display control signal.
Preferably, when described sending module is described surround lighting information to the information that described display device sends, described ambient light sensor also comprises:
Image processing module, for isolating the ambient-light images comprising described display frame surrounding environment from described scene image, and obtains surround lighting information from described ambient-light images.
Preferably, when described sending module is described display control signal to the information that described display device sends, described ambient light sensor also comprises:
Signal conversion module, for converting described surround lighting information to display control signal.
Preferably, described sending module is by the mode of wired, wireless or light signal and described display device communication.
The present invention also provides a kind of user's operative installations, preferably, comprises above-mentioned ambient light sensor.
Preferably, described user's operative installations is telepilot, keyboard, glasses or user terminal.
The present invention also provides a kind of display device, described display device and ambient light sensor with the use of, described ambient light sensor and described display device split are arranged, and described display device comprises:
Receiver module, for receiving the scene image absorbed by described ambient light sensor, the surround lighting information determined by described scene image or the display control signal determined by described surround lighting information that described ambient light sensor sends;
Processing module, for regulating picture display parameter according to described scene image, described surround lighting information or described display control signal.
The present invention has following beneficial effect:
Ambient light sensor is owing to arranging with display device split, thus it has alternative in riding position, such as, can select to be placed on the position close or suitable with observer's vision, thus can detect the surround lighting around display device more exactly, meanwhile, owing to adopting imageing sensor, its surround lighting information obtained, closer to the vision of people, thus can adjust the picture display parameter of display device more exactly.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of the ambient light sensor of the embodiment of the present invention one;
Fig. 2 is the functional block diagram of the ambient light sensor of the embodiment of the present invention two;
Fig. 3 is the functional block diagram of the ambient light sensor of the embodiment of the present invention three;
Fig. 4 be ambient light sensor and the display device of the embodiment of the present invention four coordinate schematic diagram;
Fig. 5 is the exemplary plot of the scene image of the ambient light sensor picked-up of the embodiment of the present invention four;
Fig. 6 is the exemplary plot of the isolated ambient-light images of ambient light sensor of the embodiment of the present invention four;
Fig. 7 be the embodiment of the present invention six with ambient light sensor with the use of the functional block diagram of display device.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
Embodiment one
Be illustrated in figure 1 the functional block diagram of the ambient light sensor of the embodiment of the present invention one, this ambient light sensor and a display device with the use of, this display device can be the luminous direct view display such as televisor, computing machine, mobile phone, this ambient light sensor and this display device split are arranged, and comprising: image pickup module 101 and sending module 102.This image pickup module 101 is for absorbing the scene image of display frame and the display frame surrounding environment comprising display device.This sending module 102 is for sending to described display device by described scene image, wherein, described display device can after receiving described scene image, the ambient-light images only comprising display frame surrounding environment is extracted from scene image, and surround lighting information is obtained from described ambient-light images, then surround lighting information is converted to display control signal, picture display parameter are regulated according to this display control signal, concrete, the adjustment of these picture display parameter can have been come by the display parameter of adjusting display device, the display parameter of display device comprise the brightness of display screen, contrast etc., namely with the device parameter that display image is irrelevant, in addition, the characteristic sum parameter that the adjustment of these picture display parameter also can change image by image procossing has been come, or the display parameter of adjusting display device have come with the characteristic sum parameter of carrying out image procossing change image simultaneously.
In the present embodiment, ambient light sensor is only responsible for picked-up scene image, and the processing procedure of image and signal conversion process perform by display device.Processing power due to ambient light sensor is less than the processing power of display device usually, thus under this kind of embodiment, can improve the processing speed of information.
Embodiment two
Be illustrated in figure 2 the functional block diagram of the ambient light sensor of the embodiment of the present invention two, this ambient light sensor and a display device with the use of, and arrange with this display device split, it comprises: image pickup module 101, image processing module 103 and sending module 102.This image pickup module 101 is for absorbing the scene image of display frame and the display frame surrounding environment comprising display device.This image processing module 103 for isolating the ambient-light images only comprising described display frame surrounding environment from described scene image, and obtains surround lighting information from described ambient-light images.This sending module 102 is for sending to described display device by described surround lighting information, wherein, described display device, after receiving described surround lighting information, can convert described surround lighting information to display control signal, and regulates picture display parameter according to this display control signal.
In the present embodiment, ambient light sensor is except responsible picked-up scene image, and be also responsible for image processing process, signal conversion process is then performed by display device, and namely ambient light sensor and display device are responsible for the information process of a part respectively.Under this kind of embodiment, suitably can reduce the processing load of display device.
Embodiment three
Be illustrated in figure 3 the functional block diagram of the ambient light sensor of the embodiment of the present invention three, this ambient light sensor and a display device with the use of, and arrange with this display device split, it comprises: image pickup module 101, image processing module 103, signal conversion module 104 and sending module 102.This image pickup module 101 is for absorbing the scene image of display frame and the display frame surrounding environment comprising display device.This image processing module 103 for isolating the ambient-light images only comprising described display frame surrounding environment from described scene image, and obtains surround lighting information from described ambient-light images.This signal conversion module 104 is for converting described surround lighting information to display control signal.This sending module 102 is for sending to described display device by described display control signal, and wherein, described display device after receiving described display control signal, directly can regulate picture display parameter according to this display control signal.
In the present embodiment, be all responsible for image processing process and signal conversion process by ambient light sensor.Under this kind of embodiment, the processing load of display device can be reduced.
Sending module 102 in the various embodiments described above can by the mode of wired, wireless or light signal and this display device communication.
Embodiment four
As shown in Figure 4, the present embodiment provides a kind of ambient light sensor, this ambient light sensor and a display device 200 with the use of, this display device 200 is televisor, and this ambient light sensor is integrated in the telepilot 300 of display device 200 correspondence.In Fig. 4,400 is observer.
This ambient light sensor comprises: image pickup module, image processing module, signal conversion module and sending module.
This image pickup module is for absorbing the scene image of display frame and the display frame surrounding environment comprising display device 200.This image pickup module is a Digital photographic camera lens, and it is arranged on the front end of telepilot 300, and the visual angle of this Digital photographic camera lens can be selected according to the typical field of view of people.Concrete, can when the front end of telepilot 300 being detected towards display device 200, or, detect and use a teleswitch 300 when carrying out other straighforward operations, start ambient light sensor, to display frame and the surrounding environment photograph of display device 200, obtain the scene image that observer sees.Be illustrated in figure 5 the exemplary plot of scene image of the ambient light sensor picked-up of the embodiment of the present invention, in Fig. 5,500 is scene image, and 501 is the display frame of display device in scene image.
This image processing module is used for from described scene image, isolate the ambient-light images only comprising described display frame surrounding environment, and obtains surround lighting information from described ambient-light images.The exemplary plot of ambient-light images that the ambient light sensor being illustrated in figure 6 the embodiment of the present invention extracts, in Fig. 6,600 be the ambient-light images of the display frame of rejecting display device.
This signal conversion module is used for converting described surround lighting information to display control signal.
This sending module is used for described display control signal to send to described display device, and wherein, described display device 200 after receiving described display control signal, directly can regulate picture display parameter according to this display control signal.In the present embodiment, this sending module passes through mode and this display device 200 communication of wireless signal.
In other embodiments of the invention, this ambient light sensor can also be arranged on other objects, such as, ambient light sensor can be arranged on glasses that observer wears, ambient light sensor can be arranged with glasses split, also can be integrated on glasses, in addition, when display device is a computing machine, also ambient light sensor can be arranged on the keyboard of computing machine.
Embodiment five
This embodiment offers a kind of user's operative installations, comprise the ambient light sensor described in above-described embodiment.Particularly, described user's operative installations is telepilot, keyboard, glasses.
When having this ambient light sensor in described telepilot, user can control according to the position of self adjustment that telepilot carries out surround lighting at any time, user-friendly;
When there is in described keyboard this ambient light sensor, be generally useful in the relatively-stationary situation of customer location in this case, effectively can adjust surround lighting, be conducive to the viewing of user;
When there is in described glasses this ambient light sensor, the position of following user due to glasses is moved at any time, can at any time environmentally light adjust, preferably, in this ambient light sensor, a distance-measuring device can also be comprised, after user adjusts, adjust accordingly again after user moves a certain distance, do not need to adjust continually.
Embodiment six
Be illustrated in figure 7 the embodiment of the present invention five with ambient light sensor with the use of the functional block diagram of display device, this display device and this ambient light sensor split are arranged, this display device comprises: receiver module 701 and processing module 702, and this receiver module 702 is for receiving the scene image absorbed by described ambient light sensor of described ambient light sensor transmission, the surround lighting information determined by described scene image or the display control signal determined by described surround lighting information; This processing module 702 is for regulating picture display parameter according to described scene image, described surround lighting information or described display control signal.
The ambient light sensor provided in above-described embodiment is owing to arranging with display device split, thus it has alternative in riding position, such as, can select to be placed on the position close or suitable with observer's vision, thus can detect the surround lighting around display device more exactly, meanwhile, owing to adopting imageing sensor, its surround lighting information obtained, closer to the vision of people, thus can adjust the picture display parameter of display device more exactly.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. an ambient light sensor, with a display device with the use of, it is characterized in that, described ambient light sensor and described display device split are arranged, described ambient light sensor is placed on the position close or suitable with observer's vision, and described ambient light sensor comprises:
Image pickup module, for absorbing the scene image of display frame and the display frame surrounding environment comprising display device;
Sending module, for described scene image, the surround lighting information determined by described scene image or the display control signal determined by described surround lighting information are sent to described display device, wherein, described display device, when receiving described scene image, described surround lighting information or described display control signal, regulates picture display parameter according to described scene image, described surround lighting information or described display control signal.
2. ambient light sensor as claimed in claim 1, it is characterized in that, when described sending module is described surround lighting information to the information that described display device sends, described ambient light sensor also comprises:
Image processing module, for isolating the ambient-light images comprising described display frame surrounding environment from described scene image, and obtains surround lighting information from described ambient-light images.
3. ambient light sensor as claimed in claim 2, it is characterized in that, when described sending module is described display control signal to the information that described display device sends, described ambient light sensor also comprises:
Signal conversion module, for converting described surround lighting information to display control signal.
4. the ambient light sensor as described in as arbitrary in claims 1 to 3, is characterized in that, described sending module is by the mode of wired, wireless or light signal and described display device communication.
5. user's operative installations, is characterized in that, comprises the arbitrary described ambient light sensor of Claims 1-4.
6. user's operative installations according to claim 5, described user's operative installations is telepilot, keyboard, glasses or user terminal.
7. a display device, described display device and ambient light sensor with the use of, it is characterized in that, described ambient light sensor and described display device split are arranged, described ambient light sensor is placed on the position close or suitable with observer's vision, and described display device comprises:
Receiver module, for receiving the scene image absorbed by described ambient light sensor, the surround lighting information determined by described scene image or the display control signal determined by described surround lighting information that described ambient light sensor sends;
Processing module, for regulating picture display parameter according to described scene image, described surround lighting information or described display control signal.
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| CN201210417772.6A CN102954836B (en) | 2012-10-26 | 2012-10-26 | Ambient light sensor, user applying device and display device |
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| CN201210417772.6A CN102954836B (en) | 2012-10-26 | 2012-10-26 | Ambient light sensor, user applying device and display device |
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| CN102954836B true CN102954836B (en) | 2015-04-15 |
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| CN104240675B (en) * | 2013-06-20 | 2017-05-24 | 联想(北京)有限公司 | Method for adjusting parameters and electronic device |
| CN103400567A (en) * | 2013-08-02 | 2013-11-20 | 苏州鼎富软件科技有限公司 | Automatic screen brightness adjusting method |
| US10847073B2 (en) | 2016-10-17 | 2020-11-24 | Huawei Technologies Co., Ltd. | Image display optimization method and apparatus |
| US20210072802A1 (en) * | 2016-12-27 | 2021-03-11 | Shenzhen Royole Technologies Co., Ltd. | Electronic device and display control method thereof |
| CN109031819B (en) | 2017-06-09 | 2020-07-28 | 京东方科技集团股份有限公司 | Display panel, control method of display panel and display device |
| CN107526479B (en) * | 2017-09-20 | 2020-08-04 | 浙江大华技术股份有限公司 | Method, device and system for displaying environment quantity acquired by sensor |
| KR102416838B1 (en) * | 2017-10-12 | 2022-07-05 | 삼성전자주식회사 | Display apparatus and control method of the same |
| CN111752506B (en) * | 2019-03-27 | 2024-02-13 | 京东方艺云(杭州)科技有限公司 | Digital work display method, display device and computer readable medium |
| CN110221500B (en) * | 2019-06-04 | 2022-11-04 | Oppo广东移动通信有限公司 | Control method, control device, storage medium, electronic device and control system |
| CN112291633B (en) * | 2019-07-24 | 2023-03-24 | Vidaa(荷兰)国际控股有限公司 | Method and device for controlling screen brightness of intelligent household equipment |
| CN112133261B (en) * | 2020-11-03 | 2021-12-28 | 歌尔科技有限公司 | Brightness adjusting method, device and system of display equipment |
| CN113889053B (en) * | 2021-06-04 | 2022-07-22 | 荣耀终端有限公司 | Screen brightness adjusting method based on ambient light sensor |
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