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1. 发明授权

US10223980B2 Display device and display method 有权
公开(公告)号：US10223980B2
公开(公告)日：2019-03-05
申请号：US15393669
申请日：2016-12-29
申请人： HISENSE ELECTRIC CO., LTD.
发明人： Junyu Luo , Mingtao Liu , Shengfeng Hong , Mingsheng Qiao
IPC分类号： G09G3/36 , G09G3/34
摘要： Disclosed is a display device comprising: at least one processor and a memory, wherein the memory stores therein computer readable instructions, wherein the at least one processor executes the computer readable instructions to: if an input image signal is received, adjust refresh frequency of the display device to the frequency of the input image signal, and generate an output image signal and a field sync signal according to the input image signal, wherein the filed sync signal and the input image signal are in sync with each other and have the same frequency; output a backlight driving signal at a rising edge of the field sync signal acting as a trigger edge, so that backlighting of the display device is synchronized with image display of the display device; and perform the image display according to the output image signal and provide the backlighting according to the backlight driving signal.

2. 发明授权

US10147364B2 Backlight drive voltage control device, backlight drive voltage control method and television 有权
公开(公告)号：US10147364B2
公开(公告)日：2018-12-04
申请号：US13664797
申请日：2012-10-31
申请人： Hisense Electric Co., Ltd.
发明人： Zhenhua Pang , Xiaoguang Xin , Aichen Xu , Mingsheng Qiao
IPC分类号： G09G3/34 , H05B37/02 , H05B33/08
摘要： A backlight drive voltage control device, comprising: a detecting unit connected to a controller, which detects the current states of the lamp strings of the divisions of the backlight sources of a liquid crystal screen, sends feedback signals to the controller; the controller which sends a voltage adjustment control signal to an AC to DC converter according to the feedback signals, and acquires the voltage adjustment amount of each lamp string according to the voltage adjustment control signal, selects lamp strings which voltage adjustment amounts are larger than the threshold, and sends the closing feedback control signal to the detecting unit; and the AC to DC converter which outputs corresponding voltages to the lamp strings according to the voltage adjustment control signal.

3. 发明授权

US09835311B2 Light source assembly, backlight module and display device 有权
公开(公告)号：US09835311B2
公开(公告)日：2017-12-05
申请号：US14744231
申请日：2015-06-19
申请人： Hisense Electric Co., Ltd.
发明人： Fulin Li , Mingsheng Qiao , Zhicheng Song
IPC分类号： H01L33/00 , F21V9/16 , H01L33/50
CPC分类号： F21V9/30 , H01L33/502 , H01L33/507
摘要： The disclosure discloses a light source assembly, a backlight module and a display device and relates to the field of display technologies, and the light source assembly includes a printed circuit board, an LED chip, and a glass tube in which a quantum dot material is filled, wherein a concave groove, on the bottom of which the LED chip is arranged, is arranged on the surface of the printed circuit board, a part or all of the glass tube is accommodated in the concave groove, and the glass tube is fixed in the concave groove.

4. 发明授权

US09607544B2 Brightness compensating method and self-illuminating display device 有权
公开(公告)号：US09607544B2
公开(公告)日：2017-03-28
申请号：US14580840
申请日：2014-12-23
申请人： Hisense Electric Co., Ltd. , HISENSE USA CORPORATION , Hisense International Co., Ltd.
发明人： Lin Lu , Mingsheng Qiao , Jianwei Cao , Zhicheng Song
IPC分类号： G09G3/3208
CPC分类号： G09G3/3208 , G09G2320/0233 , G09G2320/0285 , G09G2320/041 , G09G2320/043
摘要： Embodiments of the application provide a brightness compensating method and a self-illuminating display device. The brightness compensating method includes: retrieving a table of compensation parameters pre-stored in the self-illuminating display device, which includes compensation parameters of the N zones, where a compensation parameter of a zone at higher temperature than the temperature in the reference zone is smaller than G, and a compensation parameter of a zone at lower temperature than the temperature in the reference zone is larger than G; and compensating for the brightness of an image displayed in each of the N zones according to the compensation parameters. The embodiments of the application can be applicable to compensation for the brightness of the self-illuminating display device.

5. 发明授权

US09336750B2 Backlight control method and device and liquid crystal display device 有权
标题翻译：背光控制方法及装置及液晶显示装置
公开(公告)号：US09336750B2
公开(公告)日：2016-05-10
申请号：US14317999
申请日：2014-06-27
申请人： Hisense Electric Co., Ltd , HISENSE USA CORPORATION
发明人： Yuxin Zhang , Jia Yang , Weidong Liu , Mingsheng Qiao
IPC分类号： G09G3/36 , G09G5/10
CPC分类号： G09G5/10 , G09G3/3426 , G09G3/3611 , G09G2320/0646 , G09G2330/021 , G09G2360/16
摘要： Embodiments provide a backlight control method and device and a liquid crystal display device, which relate to the liquid crystal display field and are used to achieve the purposes of meeting the requirements on different image quality enhancements in different display regions of the liquid crystal screen and improving the display quality and the sense of display layering of pictures. The method comprises: dividing n backlight subregions into m backlight regions; acquiring an average backlight value of each backlight region among the m backlight regions; searching, from a pre-acquired gain search table, a gain value corresponding to the average backlight value of each backlight region among the m backlight regions; adjusting backlight values of backlight subregions contained in each backlight region correspondingly according to the gain value corresponding to each backlight region; and outputting adjusted backlight values of the n backlight subregions. The embodiments are applicable to backlight adjustment scenes.
摘要翻译：实施例提供了一种与液晶显示领域相关的背光控制方法和装置以及液晶显示装置，其用于达到满足液晶屏不同显示区域不同图像质量增强要求的目的，并改进显示质量和图像显示分层感。该方法包括：将n个背光子区划分为m个背光区; 获取所述m个背光区域中的每个背光区域的平均背光值; 从预取得的增益搜索表中搜索与所述m个背光区域中的每个背光区域的平均背光值对应的增益值; 根据对应于每个背光区域的增益值，相应地调整包含在每个背光区域中的背光子区域的背光值; 并输出n个背光子区域的调整背光值。这些实施例可应用于背光调节场景。

6. 发明授权

US09890922B2 Light emitting device and backlight source 有权
公开(公告)号：US09890922B2
公开(公告)日：2018-02-13
申请号：US14707258
申请日：2015-05-08
申请人： Hisense Electric Co., Ltd.
发明人： Xiaoping Li , Qiang Zhong , Mingsheng Qiao
IPC分类号： G09F13/04 , F21V5/04 , G02B19/00 , G02F1/1335
CPC分类号： F21V5/04 , G02B19/0052 , G02F2001/133607
摘要： The light emitting device includes a light emitting diode and an optical lens, the optical lens includes a light incidence surface and a light exit surface, the light incidence surface includes a first light incidence surface and a second light incidence surface, herein the ratios of the minimum ones to the maximum ones of the distances between respective points, on the first light incidence surface or the second light incidence surface, and the center of the light emission surface respectively belongs to [0.5, 0.7] or [0.683, 0.695]; and the convex surface includes a first light exit surface and a second light exit surface, herein the ratios of the minimum ones to the maximum ones of the distances between respective points, on the first light exit surface or the second light exit surface, and the center of the light emission surface respectively belongs to [0.771, 0.913], or [0.883, 0.921].

7. 发明授权

US09589511B2 Driving backlight method, display device and storage medium 有权
标题翻译：驱动背光方式，显示装置和存储介质
公开(公告)号：US09589511B2
公开(公告)日：2017-03-07
申请号：US14584117
申请日：2014-12-29
申请人： HISENSE ELECTRIC CO., LTD. , HISENSE USA CORPORATION , HISENSE INTERNATIONAL CO., LTD.
发明人： Shunming Huang , Yuxin Zhang , Jianwei Cao , Mingsheng Qiao , Weidong Liu
IPC分类号： G09G3/34
CPC分类号： G09G3/3406 , G09G2320/0257 , G09G2320/064 , G09G2320/0646 , G09G2360/16
摘要： The present disclosure provides a backlight driving method and device and a display device, wherein the backlight includes a plurality of backlight scanning areas, each luminous body corresponding to each backlight scanning area is driven independently, including: acquiring display gray scale of a current frame of image and that of a previous frame of image in a backlight scanning area; determining a first backlight duty ratio according to the display gray scale of the current frame and that of the previous frame; if black frame insertion time in the first backlight duty ratio is smaller than a first black frame insertion time, acquiring a second backlight duty ratio, wherein black frame insertion time in the second backlight duty ratio is not less than the first black frame insertion time; determining drive timing of the luminous bodies in the current frame according to the second backlight duty ratio.
摘要翻译：本发明提供一种背光驱动方法和装置以及显示装置，其中，所述背光源包括多个背光源扫描区域，与各背光源扫描区域对应的发光体独立地驱动，包括：获取当前帧的显示灰度级图像和背景扫描区域中的前一帧图像的图像; 根据当前帧的显示灰度和前一帧的显示灰度确定第一背光占空比; 如果在第一背光占空比中的黑帧插入时间小于第一黑帧插入时间，则获取第二背光占空比，其中第二背光占空比中的黑帧插入时间不小于第一黑帧插入时间; 根据第二背光占空比确定当前帧中的发光体的驱动定时。

8. 发明申请

US20160078830A1 Driving Backlight Method, Display Device And Storage Medium 有权
标题翻译：驱动背光方法，显示设备和存储介质
公开(公告)号：US20160078830A1
公开(公告)日：2016-03-17
申请号：US14584117
申请日：2014-12-29
申请人： HISENSE ELECTRIC CO., LTD. , HISENSE USA CORPORATION , HISENSE INTERNATIONAL CO ., LTD.
发明人： Shunming Huang , Yuxin Zhang , Jianwei Cao , Mingsheng Qiao , Weidong Liu
IPC分类号： G09G3/36
CPC分类号： G09G3/3406 , G09G2320/0257 , G09G2320/064 , G09G2320/0646 , G09G2360/16
摘要： The present disclosure provides a backlight driving method and device and a display device, wherein the backlight includes a plurality of backlight scanning areas, each luminous body corresponding to each backlight scanning area is driven independently, including: acquiring display gray scale of a current frame of image and that of a previous frame of image in a backlight scanning area; determining a first backlight duty ratio according to the display gray scale of the current frame and that of the previous frame; if black frame insertion time in the first backlight duty ratio is smaller than a first black frame insertion time, acquiring a second backlight duty ratio, wherein black frame insertion time in the second backlight duty ratio is not less than the first black frame insertion time; determining drive timing of the luminous bodies in the current frame according to the second backlight duty ratio.
摘要翻译：本发明提供一种背光驱动方法和装置以及显示装置，其中，所述背光源包括多个背光源扫描区域，与各背光源扫描区域对应的发光体独立地驱动，包括：获取当前帧的显示灰度级图像和背景扫描区域中的前一帧图像的图像; 根据当前帧的显示灰度和前一帧的显示灰度确定第一背光占空比; 如果在第一背光占空比中的黑帧插入时间小于第一黑帧插入时间，则获取第二背光占空比，其中第二背光占空比中的黑帧插入时间不小于第一黑帧插入时间; 根据第二背光占空比确定当前帧中的发光体的驱动定时。

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