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1. 发明公开

US20240369868A1 DISPLAY PANEL WITH SWITCHABLE WIDE AND NARROW VIEWING ANGLES, DRIVING METHOD AND DISPLAY DEVICE 审中-公开
公开(公告)号：US20240369868A1
公开(公告)日：2024-11-07
申请号：US18575843
申请日：2022-04-06
申请人： Infovision Optoelectronics (Kunshan) Co., LTD.
发明人： TE-CHEN CHUNG , JIAJUN SHEN , LIMEI JIANG , JUN JIANG
IPC分类号： G02F1/13 , G02F1/133 , G02F1/1335 , G02F1/1343
CPC分类号： G02F1/1323 , G02F1/13306 , G02F1/133514 , G02F1/133531 , G02F1/134309
摘要： A display panel with switchable wide and narrow viewing angles, a driving method, and a display device are provided. The display panel is provided with a patterned identification area and a non-identification area. The display panel includes a light adjusting box and a display box which are arranged in a stacked manner. The light adjusting box includes a first substrate, a second substrate and a first liquid crystal layer. The first substrate is provided with a common viewing angle electrode, the second substrate is provided with a first viewing angle electrode and a second viewing angle electrode matching the common viewing angle electrode, the first viewing angle electrode corresponds to the identification pattern area, and the second viewing angle electrode corresponds to the non-identification pattern area.

2. 发明授权

US11289033B2 Display device with switchable viewing angles 有权
公开(公告)号：US11289033B2
公开(公告)日：2022-03-29
申请号：US17042784
申请日：2019-02-12
申请人： Infovision Optoelectronics (Kunshan) Co., LTD.
发明人： Hung-Ming Lee , Hsin-Chieh Lai , Pei-Yang Lin , Chunyun Wu
IPC分类号： G09G3/20 , G09G3/34 , F21V23/00 , F21V23/04 , F21V8/00 , F21Y103/33 , F21Y103/10 , F21Y115/10
摘要： A display device with switchable viewing angle includes a display panel, a backlight source, a timing controller, a source driver chip and an LED driver module. The backlight source includes a plurality of LEDs. The timing controller is connected to the source driver chip. The source driver chip is connected to the plurality of data lines. The LED driver module is connected to the plurality of LEDs. The display panel has a narrow viewing angle mode and a wide viewing angle mode. In the narrow viewing angle mode, the luminous brightness of the plurality of LEDs is adjusted to gradually decrease from the middle to both sides of the display panel. In the wide viewing angle mode, the luminous brightness of the plurality of LED is adjusted to gradually increase from the middle to both sides of the display panel.

3. 发明授权

US11126299B2 Method for recognizing multiple capacitive styluses, touch control unit, touch panel and system 有权
公开(公告)号：US11126299B2
公开(公告)日：2021-09-21
申请号：US16965012
申请日：2018-03-08
申请人： Infovision Optoelectronics (Kunshan) Co., LTD.
发明人： Fengching Chiu , Pengfei Wang
IPC分类号： G06F3/041 , G06F3/0354 , G06F3/044
摘要： The present invention discloses a method for recognizing multiple active capacitive styluses, a touch control unit, a touch panel, and a touch system. The method includes the steps of: obtaining recognization signals sent by multiple active capacitive styluses, and recognizing coordinates of each active capacitive stylus and its report point removing ghost point coordinates from the report point coordinates in a mutual capacitive mode of a work cycle of a touch panel, to obtain actual coordinates of each active capacitive stylus. The present invention accurately recognizes the specific positions of the multiple active capacitive styluses by eliminating the coordinates of the ghost points and has the advantages of high positioning accuracy and strong user experience.

4. 发明申请

US20190179180A1 LIQUID CRYSTAL DISPLAY DEVICE HAVING SWITCHABLE VIEWING ANGLES AND VIEWING ANGLE SWITCHING METHOD THEREFOR 审中-公开
公开(公告)号：US20190179180A1
公开(公告)日：2019-06-13
申请号：US16321035
申请日：2016-08-08
申请人： INFOVISION OPTOELECTRONICS (KUNSHAN) CO., LTD.
发明人： TE-CHEN CHUNG , WEIFENG FAN , PEIYANG LIN , HUILONG ZHENG
IPC分类号： G02F1/13 , G02F1/1343 , G02F1/1335 , G02F1/1362 , G09G3/36 , G09G3/34
摘要： A liquid crystal display device having switchable viewing angles includes a display panel and a display control module. The display panel includes a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate. The display control module is used for controlling the display panel to display images. The first substrate is provided with a first electrode. The second substrate is provided with a second electrode and a third electrode. The liquid crystal display device further includes a viewing angle control module. The display control module is further used to provide a synchronization signal to the viewing angle control module. According to the synchronization signal, when a next frame following a current frame on which a viewing angle switching signal is received starts to display, the viewing angle control module outputs a periodic alternating voltage for switching viewing angle to the first electrode.

5. 发明授权

US10191310B2 Power conversion circuit for switching viewing angle and liquid crystal display 有权
公开(公告)号：US10191310B2
公开(公告)日：2019-01-29
申请号：US15294726
申请日：2016-10-15
申请人： Infovision Optoelectronics (Kunshan) Co., Ltd.
发明人： Dalei Zhang , Yongxin Ruan , Qingbai Lv
IPC分类号： G02F1/13 , G02F1/133 , G02F1/1343 , G02F1/1368 , G09G3/00 , H02J1/10 , H03K3/00 , G02F1/1335
摘要： A power conversion circuit for switching the viewing angle of an LCD, includes an input terminal, an output terminal, a switching unit, an isolating unit, an output unit, a first power supply, a second power supply, and a third power supply. When the input terminal is provided with a low level voltage, the switching unit is switched on, the voltage of the second power supply is provided as a first DC voltage to the output terminal via the switching unit and the isolating unit. When the input terminal is provided with a high level voltage, the switching unit is switched off, the voltage of the third power supply is provided as a second DC voltage to the output terminal via the output unit and the isolating unit, wherein the second DC voltage is higher than the first DC voltage.

6. 发明授权

US09835886B2 Liquid crystal display with switchable viewing angle and method of viewing angle control 有权
公开(公告)号：US09835886B2
公开(公告)日：2017-12-05
申请号：US15216689
申请日：2016-07-21
申请人： Infovision Optoelectronics (Kunshan) Co., Ltd.
发明人： Limei Jiang , Xuemei Jiang , Tingting Wu , Rui Liu
IPC分类号： G02F1/1343 , G02F1/13
CPC分类号： G02F1/1323 , G02F2001/134372 , G02F2001/134381
摘要： An LCD includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate is provided with a first electrode. The first electrode is provided with a plurality of first elongated electrodes. The second substrate is provided with a second electrode and a third electrode. The second electrode is a common electrode and the third electrode is a pixel electrode. The second electrode is provided with a plurality of second elongated electrodes. The first elongated electrodes and the second elongated electrodes are arranged alternately, and the first elongated electrodes have no overlap with the second elongated electrodes. When no bias voltage is applied between the first electrode and the second electrode, the LCD is displayed with a wide viewing angle; and when a bias voltage is applied between the first electrode and the second electrode, the LCD is displayed with a narrow viewing angle.

7. 发明授权

US09063383B2 Liquid crystal display device 有权
标题翻译：液晶显示装置
公开(公告)号：US09063383B2
公开(公告)日：2015-06-23
申请号：US13693053
申请日：2012-12-04
申请人： Infovision Optoelectronics (Kunshan) Co., Ltd.
发明人： Te-Chen Chung , Yong-qian Li , Chia-Te Liao , Yu-Wen Chiu
IPC分类号： G02F1/1343 , G02F1/1337 , G02F1/1335 , G02F1/137
CPC分类号： G02F1/134336 , G02F1/133528 , G02F1/133784 , G02F1/134309 , G02F2001/134381 , G02F2001/13712
摘要： A liquid crystal display device includes a first substrate, a second substrate opposite to the first substrate, and a liquid crystal (LC) layer sandwiched between the two substrates. The first substrate includes gate lines and data lines, and the gate lines and the data lines data lines are intersected with each other to define pixel areas. Each of the pixel areas includes a pixel electrode and first common electrodes arranged at different layers, and the first common electrodes are electrically coupled to each other. The second substrate includes a second common electrode, and the LC layer comprises negative LC molecules.
摘要翻译：液晶显示装置包括第一基板，与第一基板相对的第二基板和夹在两个基板之间的液晶（LC）层。第一基板包括栅极线和数据线，并且栅极线和数据线数据线彼此相交以限定像素区域。每个像素区域包括像素电极和布置在不同层的第一公共电极，并且第一公共电极彼此电耦合。第二衬底包括第二公共电极，并且LC层包含负LC分子。

8. 发明申请

US20140340621A1 LIQUID CRYSTAL DISPLAY DEVICE 有权
标题翻译：液晶显示装置
公开(公告)号：US20140340621A1
公开(公告)日：2014-11-20
申请号：US14033513
申请日：2013-09-22
申请人： Infovision Optoelectronics (Kunshan) Co., Ltd.
发明人： Te-Chen Chung , Tean-Sen Jen , Chia-Te Liao , Yong-qian Li , Hong-qing Cui , Jin-yu Li , Dong-zhao Li
IPC分类号： G02F1/1335
CPC分类号： G02F1/133514 , G02F1/1337 , G02F1/134363 , G02F2001/134381 , G02F2201/121
摘要： A liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a first transparent substrate including a first surface and a second surface, a color filter layer formed on the first surface of the first transparent substrate, a first alignment film formed on the color filter layer, and a first electrode interlayered in the color filter layer. The second substrate includes a second transparent substrate comprising a third surface and a fourth surface, a second electrode and a third electrode formed on the third surface of the second transparent substrate sequentially, and a second alignment film is formed on the third electrode. The second electrode and the third electrode are arranged at different insulation layers respectively and electrically insulated with each other. The LCD device of the present invention has an improved transmittance and a fast response time.
摘要翻译：液晶显示装置包括第一基板，第二基板和液晶层。第一基板包括：第一透明基板，包括第一表面和第二表面;形成在第一透明基板的第一表面上的滤色器层，形成在滤色器层上的第一取向膜;以及第一电极，滤色层。第二基板包括第二透明基板，第二透明基板包括第三表面和第四表面，第二电极和第三电极依次形成在第二透明基板的第三表面上，第二取向膜形成在第三电极上。第二电极和第三电极分别设置在不同的绝缘层上并彼此电绝缘。本发明的LCD装置具有改进的透射率和快速响应时间。

9. 发明授权

US08758645B2 Blue phase liquid crystal composition, blue phase liquid crystal material and method for manufacturing thereof 有权
标题翻译：蓝相液晶组合物，蓝相液晶材料及其制造方法
公开(公告)号：US08758645B2
公开(公告)日：2014-06-24
申请号：US13666946
申请日：2012-11-01
申请人： Infovision Optoelectronics (Kunshan) Co., Ltd. , East China University of Science and Technology
发明人： Zhi-gang Zheng , Hai-feng Wang , Dong Shen
IPC分类号： C09K19/20 , C09K19/52 , C09K19/30 , C09K19/06 , C09K19/00 , B01J19/12 , C01B31/00
CPC分类号： C09K19/0275 , C09K19/586 , C09K2019/0448 , C09K2019/2078
摘要： A blue phase liquid crystal material includes a liquid crystal host, a chiral reagent and a stable polymer. The chiral reagent is R811. The stable polymer is formed by photo-polymerizing a first monomer and a second monomer. The first monomer is 2-ethylhexyl acrylate (2-EHA), and the second monomer is 2-methyl-1,4-bis{4-[3(-acrylate)propoxyl]benzoicacid}phenylester (PTPTP). The blue phase liquid crystal material has a blue phase temperature range widened to an extremely low temperature. A blue phase liquid crystal composition and a method for manufacturing the blue phase liquid crystal material by using the blue phase liquid crystal composition are also provided.
摘要翻译：蓝相液晶材料包括液晶主体，手性试剂和稳定的聚合物。手性试剂为R811。通过光聚合第一单体和第二单体形成稳定的聚合物。第一单体是丙烯酸2-乙基己酯（2-EHA），第二单体是2-甲基-1,4-双{4- [3（ - 丙烯酸酯）丙氧基]苯甲酸}苯酯（PTPTP）。蓝相液晶材料的蓝相温度范围变宽到极低温度。还提供蓝相液晶组合物和通过使用蓝相液晶组合物制造蓝相液晶材料的方法。

10. 发明申请

US20210149511A1 TOUCH DISPLAY PANEL AND TOUCH DISPLAY DEVICE WITH SWITCHABLE VIEWING ANGLES 有权
公开(公告)号：US20210149511A1
公开(公告)日：2021-05-20
申请号：US16613788
申请日：2017-05-24
申请人： Infovision Optoelectronics (Kunshan) Co., LTD.
发明人： TE-CHEN CHUNG , CHIA-TE LIAO , YUYING HE , ERLONG QI
IPC分类号： G06F3/041 , G02F1/13 , G02F1/1343 , G02F1/1362
摘要： A touch display panel with switchable viewing angles includes a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate. The first substrate is provided with a viewing angle control electrode. The second substrate is provided with a common electrode and a sensing circuit layer. The common electrode includes a plurality of electrode blocks arranged in an array and insulated from each other. The sensing circuit layer includes a plurality of sensing lines insulated from each other. The sensing lines are electrically connected to the electrode blocks in a one-to-one correspondence, respectively. Each frame of the display panel is divided into a display period and a touch period. The electrode blocks of the common electrode are used for image display during the display period, and the electrode blocks of the common electrode are used for touch sensing during the touch period.

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