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1.发明授权公开(公告)号：US10739645B2
公开(公告)日：2020-08-11
申请号：US16090241
申请日：2017-03-28
发明人： Takahiro Sasaki , Iori Aoyama , Yuichi Kita , Kazutaka Hanaoka
IPC分类号： G02F1/1337 , G02F1/1343 , G02F1/139 , G02F1/137 , G02F1/1335
摘要： A liquid crystal display apparatus includes a liquid crystal display panel including a first substrate, a second substrate, and a liquid crystal layer and a plurality of pixels. The first substrate includes a first electrode provided in each of the pixels and a first horizontal alignment film that determines a pretilt orientation of a liquid crystal molecule. The second substrate includes a second electrode provided to face the first electrode and a second horizontal alignment film that determines the pretilt orientation of the liquid crystal molecule. Each of the first and second horizontal alignment films is a photoalignment film. At least one of the first substrate and the second substrate includes an anchoring structure in each of the pixels. The liquid crystal display panel further includes an alignment sustaining layer which is formed on the surface of each of the first and second horizontal alignment films on the liquid crystal layer side, is configured with a photopolymer, and imparts a pretilt angle greater than 0° to the liquid crystal molecules.
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公开(公告)号：US10395606B2
公开(公告)日：2019-08-27
申请号：US15570193
申请日：2016-04-18
发明人： Yuichi Kita , Takahiro Sasaki , Iori Aoyama , Kazutaka Hanaoka
IPC分类号： G09G3/36 , G02F1/1343 , G02F1/1368 , G09G3/20 , G09G3/34 , F21V8/00 , G02F1/1337 , G02F1/1335
摘要： A liquid crystal display device performs displaying by field sequential driving. The liquid crystal display device includes a plurality of scanning lines; and a plurality of signal lines including a plurality of pairs of signal lines, each pair of signal line being connected to one pixel column. Under field sequential driving, within one field period of emitting any of a plurality of color rays, there is an overlap between: a first period in which a first scanning line group included among the plurality of scanning lines are scanned and one of the pair of signal lines is used to perform signal writes; and a second period in which a second scanning line group included among the plurality of scanning lines are scanned, and another one of the pair of signal lines is used to perform signal writes.
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公开(公告)号：US10216034B2
公开(公告)日：2019-02-26
申请号：US15318037
申请日：2015-06-12
IPC分类号： G02F1/1335 , G02F1/1347 , G02F1/1343 , G02F1/1337 , G02F1/139
摘要： A liquid crystal display device (100) includes a first liquid crystal display panel (1) configured to be capable of taking a transparent displaying state and a second liquid crystal display panel (2), such that the first liquid crystal display panel allows at least a portion of light going out of the second liquid crystal display panel to be transmitted in the transparent displaying state. The first liquid crystal display panel includes a first liquid crystal layer (1L) interposed between a pair of substrates, and first and second polarizers (1F, 1B) between which the first liquid crystal layer is interposed; the second liquid crystal display panel includes a second liquid crystal layer (2L) interposed between a pair of substrates, and a third polarizer (2F) placed on a side of the second liquid crystal layer that is closer to the first liquid crystal display panel; the second polarizer (1B) of the first liquid crystal display panel is on a side closer to the second liquid crystal display panel; and a transmission axis of the second polarizer (1B) and a transmission axis of the third polarizer (2F) are not orthogonal.
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公开(公告)号：US10192493B2
公开(公告)日：2019-01-29
申请号：US15316861
申请日：2015-06-09
发明人： Yuichi Kita , Yoshiki Nakatani , Iori Aoyama , Takahiro Sasaki
IPC分类号： G09G3/34 , G02F1/133 , G02F1/1333 , G02F1/1343 , G02F1/1335 , G09G3/20 , G09G3/00
摘要： A display device (100) includes: a display panel (1) capable of being in a transparent display state where a background scene is viewable through the display panel; a panel light source (3) that irradiates the display panel with colored light of a plurality of colors in a time division manner; a rear side light source (2) placed on a rear surface side of the display panel, the rear side light source being capable of emitting colored light of a plurality of colors in a time division manner; and a control circuit that controls emission timings of the colored light from the panel light source and from the rear side light source, wherein the panel light source and the rear side light source are synchronized by the control circuit such that colored light of different colors are not emitted at a same timing.
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公开(公告)号：US10073306B2
公开(公告)日：2018-09-11
申请号：US15306118
申请日：2015-04-17
IPC分类号： G09G3/36 , G02F1/1343 , G02F1/1368 , G02F1/137 , G02F1/1333
CPC分类号： G02F1/134327 , G02F1/134363 , G02F1/1368 , G02F1/137 , G02F2001/133397 , G02F2001/13706 , G02F2001/13712 , G02F2201/121 , G02F2201/123 , G02F2202/10 , G09G3/36 , G09G3/3614 , G09G2300/0447 , G09G2300/0469
摘要： A liquid crystal display device (100) includes: a liquid crystal layer (42) held between a pair of substrates (10, 30), the liquid crystal layer containing one or more types of positive liquid crystal compounds whose dielectric anisotropy is positive and one or more types of negative liquid crystal compounds whose dielectric anisotropy is negative, a total content of the positive liquid crystal compounds not being smaller than a total content of the negative liquid crystal compounds; a pixel electrode (24) provided in the pair of substrates, the pixel electrode having a plurality of linear portions and a slit; and a common electrode (22) insulated from the pixel electrode, wherein the pixel electrode and the common electrode apply across the liquid crystal layer a pixel voltage of positive polarity and a pixel voltage of negative polarity alternately at a frequency lower than 60 Hz.
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公开(公告)号：US20150109274A1
公开(公告)日：2015-04-23
申请号：US14399626
申请日：2013-04-22
发明人： Takatomo Yoshioka , Yuichi Kita , Yoshiki Nakatani
IPC分类号： G09G3/36 , G02F1/133 , G02F1/1333 , G02F1/1368
CPC分类号： G09G3/3614 , G02F1/13306 , G02F1/133345 , G02F1/1368 , G02F2001/134381 , G09G3/3648 , G09G2300/0426 , G09G2300/0434 , G09G2320/0204 , G09G2320/0247 , G09G2320/0252 , G09G2320/0257 , G09G2320/046
摘要： The present invention provides a liquid-crystal-driving method of driving liquid crystal by causing a potential difference between a pair of electrodes provided for one of upper and lower substrates, wherein a DC image sticking and a flicker are sufficiently reduced, and a liquid crystal display device driven by using the liquid-crystal-driving method. The present invention relates to a method of driving liquid crystal by causing a potential difference between a pair of electrodes provided for one of upper and lower substrates. In the liquid-crystal-driving method, a driving operation of driving liquid crystal by causing a potential between a pair of electrodes is executed. In the driving operation, the absolute value of a second offset voltage is larger than that of a first offset voltage.
摘要翻译： 本发明提供一种液晶驱动方法，通过使设置在上下基板中的一个电极的一对电极之间的电位差来驱动液晶，其中DC图像粘附和闪烁充分降低，并且液晶 显示装置通过使用液晶驱动方法驱动。 本发明涉及一种驱动液晶的方法，该方法是通过使设置在上基板和下基板之一上的一对电极之间产生电位差来驱动液晶。 在液晶驱动方法中，执行通过使一对电极之间的电位驱动液晶的驱动操作。 在驱动操作中，第二偏移电压的绝对值大于第一偏移电压的绝对值。
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公开(公告)号：US10311804B2
公开(公告)日：2019-06-04
申请号：US15574120
申请日：2016-05-19
发明人： Iori Aoyama , Takahiro Sasaki , Yuichi Kita , Kazutaka Hanaoka
IPC分类号： G09G3/34 , G09G3/36 , G02F1/133 , G02F1/137 , G02F1/1343 , G02F1/1362 , G02F1/1368 , F21V8/00
摘要： In particular case second vertical scanning period includes a write period in which a first potential difference V1 is to be given to an upper electrode and a lower electrode. In another particular case, the second vertical scanning period includes a write period in which a second potential difference V2 being greater than the first potential difference V1 is given to the upper electrode and the lower electrode. In the former write period, substantially the same potential as that of a counter electrode is given to the upper electrode, and a different potential from that of the counter electrode is given to the lower electrode. In the latter write period, substantially the same potential as that of the counter electrode is given to the lower electrode, and a different potential from that of the counter electrode is given to the upper electrode.
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公开(公告)号：US10209582B2
公开(公告)日：2019-02-19
申请号：US15315407
申请日：2015-05-29
IPC分类号： G02F1/1335 , G02F1/1337 , G02F1/1343
摘要： A liquid crystal display device (100) includes a liquid crystal display panel (1) including a first substrate (10), a second substrate (20), and a liquid crystal layer (30). The first substrate includes a first electrode (11) provided for each pixel, and a second electrode (12) for generating a lateral field across the liquid crystal layer in cooperation with the first electrode. The second substrate includes a third electrode (21) for generating a vertical field across the liquid crystal layer in cooperation with the first electrode and the second electrode. Each pixel is capable of switchably presenting a black displaying state where a vertical field is generated across the liquid crystal layer, a white displaying state where a lateral field is generated across the liquid crystal layer, and a transparent displaying state where a rear face side of the liquid crystal display panel is visible in a see-through manner with no voltage being applied to the liquid crystal layer. The first electrode includes a plurality of linear portions (11a), the plurality of linear portions being arranged so that at least one of the following exists in a plurality: the direction that the linear portions extend and the pitch of the linear portions.
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公开(公告)号：US10175542B2
公开(公告)日：2019-01-08
申请号：US15566452
申请日：2016-04-11
IPC分类号： G02F1/1343 , G02F1/1335 , G02F1/1362
摘要： A liquid crystal display device (100) includes a liquid crystal display panel (1) and an illumination element (2), and is capable of switching between: a first mode of displaying in which displaying is performed by using a plurality of color rays emitted from the illumination element; and a second mode of displaying in which the background is allowed to be perceived, with no color rays being emitted from the illumination element. Each pixel is, under the first mode of displaying, capable of switchably presenting a black displaying state with a vertical field being generated across the liquid crystal layer (30), a white displaying state with a lateral field being generated across the liquid crystal layer, or a transparent displaying state of allowing the rear face side to be visible in a see-through manner with no voltage applied to the liquid crystal layer, and, under the second mode of displaying, capable of switchably presenting a black displaying state with a vertical field being generated across the liquid crystal layer, a transparent displaying state of allowing the rear face side to be visible in a see-through manner with no voltage being applied to the liquid crystal layer, a white displaying state with essentially only a vertical field being generated across the liquid crystal layer, or an intermediate level displaying state with essentially only a vertical field being generated across the liquid crystal layer.
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公开(公告)号：US10067397B2
公开(公告)日：2018-09-04
申请号：US15508143
申请日：2015-08-21
发明人： Takahiro Sasaki , Iori Aoyama , Yuichi Kita , Kazutaka Hanaoka
IPC分类号： G02F1/139 , G02F1/133 , G02F1/1368 , G02F1/03 , G02F1/1335 , G06T19/00
摘要： A first substrate (10) in a liquid crystal display device (100) includes a first electrode (11) provided in each pixel and a second electrode (12) generating a lateral electric field in a liquid crystal layer (30) together with the first electrode. A second substrate (20) includes a third electrode (21) generating a vertical electric field in the liquid crystal layer together with the first electrode and the second electrode. Each pixel exhibits, in a switched manner, a black display state where black display is provided in a state where the vertical electric field is generated in the liquid crystal layer, a white display state where white display is provided in a state where the lateral electric field is generated in the liquid crystal layer, and a transparent display state where a rear side of a liquid crystal display panel (1) is seen through in a state where no voltage is applied to the liquid crystal layer. A potential difference between the first electrode and the second electrode at each gray scale level from a lowest level to a highest level is 60% or less of a potential difference between the second electrode and the third electrode in the black display state.
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