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1. 发明专利

JP2012073701A Optical sensor 审中-公开
标题翻译：光传感器
公开(公告)号：JP2012073701A
公开(公告)日：2012-04-12
申请号：JP2010216375
申请日：2010-09-28
申请人： Hitachi Displays Ltd , Panasonic Liquid Crystal Display Co Ltd , パナソニック液晶ディスプレイ株式会社 , 株式会社日立ディスプレイズ
发明人： SAITO TERUJI , MIYAZAWA TOSHIO , HASEGAWA ATSUSHI , YONEKURA TAKESHI
IPC分类号： G06T1/00 , H01L27/146 , H01L31/08
CPC分类号： G06F1/1684 , G06F21/32 , G06K9/00033 , G06K2009/00932
摘要： PROBLEM TO BE SOLVED: To provide an optical sensor of which compact design is possible.SOLUTION: Provided are an optical sensor array in which a plurality of optical sensor pixels are disposed in matrix arrangement and a backlight disposed below the optical sensor array. The optical sensor array includes a surface light-shielding film (e.g., Al film), and the surface light-shielding film includes incidence holes through which light from a subject enters each of the optical sensor pixels and passage holes that are disposed around the incidence holes and project the light from the backlight onto the subject. The backlight includes a light guide plate and a light source disposed at a side face of the light guide plate. The backlight includes a reflection film disposed on a surface on an opposite side to the optical sensor array of the light guide plate. The backlight includes a light guide plate and a light source disposed on a surface on an opposite side to the optical sensor array of the light guide plate. The backlight includes a plurality of optical sheets disposed on a surface on the optical sensor array side of the light guide plate.
摘要翻译：要解决的问题：提供可以进行紧凑设计的光学传感器。解决方案：提供一种光学传感器阵列，其中多个光学传感器像素以矩阵布置设置，并且背光设置在光学传感器阵列的下方。光学传感器阵列包括表面遮光膜（例如，Al膜），并且表面遮光膜包括入射孔，来自被摄体的光进入每个光学传感器像素，通过孔设置在入射孔周围将光线从背光投射到被摄物体上。背光源包括导光板和设置在导光板的侧面的光源。背光源包括设置在与导光板的光学传感器阵列相反侧的表面上的反射膜。背光源包括导光板和设置在与导光板的光学传感器阵列相反的一侧的表面上的光源。背光源包括设置在导光板的光学传感器阵列侧的表面上的多个光学片。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2011242804A Display device 有权
标题翻译：显示设备
公开(公告)号：JP2011242804A
公开(公告)日：2011-12-01
申请号：JP2011180080
申请日：2011-08-22
申请人： Hitachi Displays Ltd , Panasonic Liquid Crystal Display Co Ltd , パナソニック液晶ディスプレイ株式会社 , 株式会社日立ディスプレイズ
发明人： SEHATA HIROKO , ASUMA HIROAKI , HASEGAWA ATSUSHI , MANBA NORIO , KATAYAMA YUKARI
IPC分类号： G09G3/36 , G02F1/133 , G09G3/20
摘要： PROBLEM TO BE SOLVED: To provide a technology by which power consumption is reduced when controlling display/non-display of an arbitrary area in a display device.SOLUTION: A drive circuit comprises: a shift register circuit that successively outputs a first to n-th (n≥2) shift pulses; and an n-number of first to j-th (j≥2) transistors in which the first to n-th shift pulses output from the shift resistor circuit are applied to the corresponding gates; and a (j×n) number of signal line scanning circuits. Based on the first to n-th shift pulses output from the shift register circuit, the first to j-th transistors sample the first to j-th scanning line drive clocks, and output them as scanning voltages for the first to (j×n)-th scanning lines. Based on the first to n-th shift pulses output from the shift resistor circuit, an AC signal, an inversion AC signal, and the transfer clock, each signal line scanning circuit outputs a predetermined voltage for the first to (j×n)-th signal lines.
摘要翻译：要解决的问题：提供一种在显示装置中控制任意区域的显示/不显示时降低功耗的技术。解决方案：驱动电路包括：移位寄存器电路，其连续地输出第一至第n（n≤2）个移位脉冲; 以及n个第一至第j（j≤2）个晶体管，其中从所述移位电阻电路输出的第一至第n移位脉冲被施加到相应的栅极; 和（j×n）个信号线扫描电路。基于从移位寄存器电路输出的第一至第n移位脉冲，第一至第j晶体管对第一至第j扫描线驱动时钟进行采样，并将其作为第一至第（j×n ）扫描线。基于从移动电阻电路输出的第一至第n移位脉冲，AC信号，反相AC信号和传送时钟，每个信号线扫描电路输出第一至（j×n） - 信号线。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2012083793A Method for manufacturing liquid crystal display device 有权
标题翻译：制造液晶显示装置的方法
公开(公告)号：JP2012083793A
公开(公告)日：2012-04-26
申请号：JP2012020352
申请日：2012-02-01
申请人： Hitachi Displays Ltd , Panasonic Liquid Crystal Display Co Ltd , パナソニック液晶ディスプレイ株式会社 , 株式会社日立ディスプレイズ
发明人： TANABE HIDEO , TAKAHATA MASARU , KANEKO TOSHITERU , HASEGAWA ATSUSHI , SEHATA HIROKO
IPC分类号： G02F1/1368 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide a liquid crystal display device having a large retention volume in a pixel.SOLUTION: A method of manufacturing a liquid crystal display device includes: a process of forming a thin film transistor including a first electrode to which a video signal line is connected and a second electrode connected to a pixel electrode on a first substrate; a process of forming a first silicon nitride film above the second electrode; a process of forming an organic insulating film above the first silicon nitride film; a process of forming a capacitor electrode above the organic insulating film; a process of forming a second silicon nitride film at a temperature which is lower than the film formation temperature of the first silicon nitride film above the capacitor electrode and below the pixel electrode after forming the organic insulating film; and a process of forming a contact hole that penetrates through the first silicon nitride film and the second silicon nitride film and for electrically connecting the second electrode to the pixel electrode on the second electrode.
摘要翻译：要解决的问题：提供一种在像素中具有大的保留体积的液晶显示装置。解决方案：一种制造液晶显示装置的方法包括：形成薄膜晶体管的工艺，薄膜晶体管包括连接有视频信号线的第一电极和与第一基板上的像素电极连接的第二电极; 在第二电极上形成第一氮化硅膜的工艺; 在所述第一氮化硅膜上形成有机绝缘膜的工序; 在有机绝缘膜上形成电容电极的工序; 在形成有机绝缘膜之后，在低于电容器电极上方的第一氮化硅膜的成膜温度和像素电极以下的温度下形成第二氮化硅膜的工序; 以及形成穿过第一氮化硅膜和第二氮化硅膜并将第二电极与第二电极上的像素电极电连接的接触孔的工艺。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2012074448A Optical sensor and optical sensor array 有权
标题翻译：光传感器和光传感器阵列
公开(公告)号：JP2012074448A
公开(公告)日：2012-04-12
申请号：JP2010216708
申请日：2010-09-28
申请人： Hitachi Displays Ltd , Panasonic Liquid Crystal Display Co Ltd , パナソニック液晶ディスプレイ株式会社 , 株式会社日立ディスプレイズ
发明人： YONEKURA TAKESHI , MIYAZAWA TOSHIO , HASEGAWA ATSUSHI , SAITO TERUJI , YASUDA KOZO
IPC分类号： H01L27/146 , H04N5/361 , H04N5/369 , H04N5/374
CPC分类号： H01L27/14649 , H01L27/1461 , H01L31/08 , H01L31/103
摘要： PROBLEM TO BE SOLVED: To provide an optical sensor and an optical sensor array with the pixel structures simplified by eliminating a switching transistor for signal readout.SOLUTION: An optical sensor array comprises: optical sensor pixels each including a lower electrode including a metal film, an amorphous silicon film, an n-type amorphous silicon film, and an upper electrode; a plurality of scan lines each connected to the upper electrode of the optical sensor pixel; a plurality of readout lines each connected to the lower electrode of the optical sensor pixel; a scan circuit connected to the scan lines for sequentially supplying a selection scan signal with a first voltage to each scan line for each horizontal scan period; means 1 for making the readout lines a floating state after inputting a second voltage with a higher potential than the first voltage to the readout lines in a blanking period of one horizontal scan period; and means 2 connected to the readout lines for outputting the voltage change of each readout line in one horizontal scan period as a sensor output voltage of the optical sensor pixel whose lower electrode is connected to each readout line and whose upper electrode receives the selection scan voltage.
摘要翻译：要解决的问题：通过消除用于信号读出的开关晶体管来提供通过简化的像素结构的光学传感器和光学传感器阵列。光传感器阵列包括：各自包括包括金属膜的下电极，非晶硅膜，n型非晶硅膜和上电极的光学传感器像素; 多个扫描线，各自连接到光学传感器像素的上部电极; 多个读出线，各自连接到光学传感器像素的下部电极; 连接到扫描线的扫描电路，用于在每个水平扫描周期中向每个扫描线顺序地提供具有第一电压的选择扫描信号; 在一个水平扫描周期的消隐期间，将输入具有比第一电压高的电位的第二电压输入到读出线的装置，用于使读出线处于浮置状态; 以及连接到读出线的装置2，用于在一个水平扫描周期中输出每个读出线的电压变化，作为其下电极连接到每个读出线并且其上部电极接收选择扫描电压的光学传感器像素的传感器输出电压。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2012074447A Optical sensor and optical sensor array 有权
标题翻译：光传感器和光传感器阵列
公开(公告)号：JP2012074447A
公开(公告)日：2012-04-12
申请号：JP2010216707
申请日：2010-09-28
申请人： Hitachi Displays Ltd , Panasonic Liquid Crystal Display Co Ltd , パナソニック液晶ディスプレイ株式会社 , 株式会社日立ディスプレイズ
发明人： MIYAZAWA TOSHIO , HASEGAWA ATSUSHI , SAITO TERUJI , YASUDA KOZO , YONEKURA TAKESHI
IPC分类号： H01L31/0248 , G01J1/02 , H01L27/146 , H01L31/00 , H04N5/374
CPC分类号： H01L27/1461 , H01L27/14692
摘要： PROBLEM TO BE SOLVED: To amplify and output a photoelectric current resulting from photoconduction by a diode formed at a connection plane of an n-type amorphous silicon film of a low resistance and a thick amorphous silicon film by disposing the n-type amorphous silicon film between the thick amorphous silicon film and an upper electrode.SOLUTION: The optical sensor comprises: a lower electrode composed of a metal film; an amorphous silicon film provided on the lower electrode; an n-type amorphous silicon film provided on the amorphous silicon film; an upper electrode provided on the n-type amorphous silicon film, and accepting input of a first reference voltage; a capacitive element connected between the lower electrode and a second reference voltage; a switch circuit which inputs a first power source voltage to the lower electrode when staying in ON state, and brings the lower electrode to a floating condition when staying in OFF state; and a detection circuit which detects a change in voltage of the lower electrode after the amorphous silicon film has been irradiated with light for a predetermined period of time in the condition of the switch circuit staying in ON state.
摘要翻译：要解决的问题：通过将形成在低电阻的n型非晶硅膜和厚非晶硅膜的连接平面上的二极管进行光电导体产生的光电流放大并输出，通过配置n型厚非晶硅膜和上电极之间的非晶硅膜。光学传感器包括：由金属膜构成的下电极; 设置在下电极上的非晶硅膜; 设置在非晶硅膜上的n型非晶硅膜; 设置在n型非晶硅膜上的上电极，并接受第一参考电压的输入; 连接在下电极和第二参考电压之间的电容元件; 开关电路，其在保持导通状态时向下电极输入第一电源电压，并且当保持在断开状态时使下电极处于浮置状态; 以及检测电路，其在开关电路保持导通状态的条件下，在非晶硅膜已经经过一定时间的光照射之后，检测下电极的电压变化。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2011186099A Display device 审中-公开
标题翻译：显示设备
公开(公告)号：JP2011186099A
公开(公告)日：2011-09-22
申请号：JP2010050027
申请日：2010-03-08
申请人： Hitachi Displays Ltd , Panasonic Liquid Crystal Display Co Ltd , パナソニック液晶ディスプレイ株式会社 , 株式会社日立ディスプレイズ
发明人： HASEGAWA ATSUSHI , MIYAZAWA TOSHIO
IPC分类号： G02F1/1333
摘要： PROBLEM TO BE SOLVED: To prevent degradation in a resolution by preventing reflected light from an object from being made incident on an adjacent sensor in a display device having a display panel with a built-in optical sensor. SOLUTION: The display device has the display panel having a plurality of pixels, and at least one of the plurality of pixels has an optical sensor. On the display panel, an adjacent shielding structure for preventing light from an object from being made incident on the adjacent optical sensor is provided. The adjacent shielding structure comprises a light-shielding part for shielding the transmission of light and a plurality of light transmission cells sectioned by the light-shielding part. In plan view, the respective optical sensors are positioned inside the light transmission cells. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过在具有内置光学传感器的显示面板的显示装置中防止来自物体的反射光入射到相邻传感器上的分辨率的劣化。解决方案：显示装置具有多个像素的显示面板，并且多个像素中的至少一个具有光学传感器。在显示面板上，设置有用于防止来自物体的光入射到相邻的光学传感器上的相邻的屏蔽结构。相邻的屏蔽结构包括用于屏蔽光的透射的遮光部分和由遮光部分分割的多个光传输单元。在平面图中，各光传感器位于光传输单元的内部。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2012234187A Display 有权
标题翻译：显示
公开(公告)号：JP2012234187A
公开(公告)日：2012-11-29
申请号：JP2012149440
申请日：2012-07-03
申请人： Japan Display East Co Ltd , 株式会社ジャパンディスプレイイースト , Panasonic Liquid Crystal Display Co Ltd , パナソニック液晶ディスプレイ株式会社
发明人： TANABE HIDEO , TAKAHATA MASARU , KANEKO TOSHITERU , HASEGAWA ATSUSHI , SEHATA HIROKO
IPC分类号： G02F1/1368 , G02F1/1335 , H01L21/336 , H01L29/786
摘要： PROBLEM TO BE SOLVED: To provide a display having large retention capacity in pixels.SOLUTION: A display includes: a first electrode; a second electrode; a thin-film transistor in which one of a source electrode and a drain electrode is connected to the first electrode; and a first silicon nitride film and an organic insulation film formed on upper layers of the one of the source and drain electrodes in this order. The second electrode is formed on an upper layer of the organic insulation film. A second silicon nitride film is formed between the second electrode and the first electrode. The first silicon nitride film and the second silicon nitride film have a contact hole penetrating the both films and connecting the one of the source and drain electrodes to the first electrode. The second silicon nitride film does not have an area in contact with the one of the source and drain electrodes. An undersurface of the second silicon nitride film comes into contact with a top surface of the first silicon nitride film in the contact hole.
摘要翻译：要解决的问题：提供具有大像素保持能力的显示器。解决方案：显示器包括：第一电极; 第二电极; 其中源极电极和漏极电极之一连接到第一电极的薄膜晶体管; 以及依次形成在所述源极和漏极中的一个的上层上的第一氮化硅膜和有机绝缘膜。第二电极形成在有机绝缘膜的上层上。在第二电极和第一电极之间形成第二氮化硅膜。第一氮化硅膜和第二氮化硅膜具有穿透两个膜并将源电极和漏电极之一连接到第一电极的接触孔。第二氮化硅膜不具有与源极和漏极之一接触的面积。第二氮化硅膜的下表面与接触孔中的第一氮化硅膜的顶表面接触。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2010210905A Image display device 有权
标题翻译：图像显示设备
公开(公告)号：JP2010210905A
公开(公告)日：2010-09-24
申请号：JP2009056501
申请日：2009-03-10
申请人： Canon Inc , Hitachi Displays Ltd , キヤノン株式会社 , 株式会社日立ディスプレイズ
发明人： TOKUDA HISANORI , HASEGAWA ATSUSHI
IPC分类号： G09F9/30 , G09G3/20 , G09G3/32 , H01L27/32 , H01L51/50
CPC分类号： G09G3/3233 , G09G3/3241 , G09G2300/0426 , G09G2300/0814 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861
摘要： PROBLEM TO BE SOLVED: To provide an image display device in which a pixel circuit is efficiently arranged in a display area. SOLUTION: The image display device displays an image by causing light emitting elements to emit light, the light emitting element being arranged in each of a plurality of pixel areas formed by dividing a display area in a grid pattern. In the image display device, the pixel circuit for controlling light emission of the light emitting element which is arranged in each of the plurality of pixel area, is formed in an area including a part projecting from the pixel area to another adjoining pixel area, and a part projecting from the adjoining pixel area to the pixel area. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供其中像素电路有效地布置在显示区域中的图像显示装置。解决方案：图像显示装置通过使发光元件发光来显示图像，发光元件布置在通过以网格图案划分显示区域而形成的多个像素区域中的每一个中。在图像显示装置中，在包括从像素区域突出到另一个相邻像素区域的部分的区域中形成用于控制布置在多个像素区域中的发光元件的发光的像素电路，以及从相邻的像素区域向像素区域突出的部分。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2006126602A Liquid crystal display device 有权
标题翻译：液晶显示装置
公开(公告)号：JP2006126602A
公开(公告)日：2006-05-18
申请号：JP2004316250
申请日：2004-10-29
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： HASEGAWA ATSUSHI , MIYAZAWA TOSHIO
IPC分类号： G02F1/1335 , G02F1/1368
CPC分类号： G02F1/134363 , G02F1/133555
摘要： PROBLEM TO BE SOLVED: To provide a liquid crystal display device which can reduce uneven brightness between the image in the reflection area and the image in the transmissive area. SOLUTION: This display has pixel electrodes and counter electrodes in the pixel area on the liquid crystal surface of one of the substrates facing each other with liquid crystals in between. This pixel area has a transmissive area and a reflection area and the gaps between the pixel electrodes and the counter electrodes are made larger in the reflection area than in the transmissive area. COPYRIGHT: (C)2006,JPO&NCIPI

10. 发明专利

JP2010277378A Liquid crystal display device 审中-公开
标题翻译：液晶显示装置
公开(公告)号：JP2010277378A
公开(公告)日：2010-12-09
申请号：JP2009129920
申请日：2009-05-29
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： HASEGAWA ATSUSHI
IPC分类号： G06F3/041 , G02F1/133 , G02F1/13357 , G02F1/136 , G06F3/042 , G09G3/20 , G09G3/34 , G09G3/36
CPC分类号： G09G3/3406 , G09G2310/08
摘要： PROBLEM TO BE SOLVED: To provide a liquid crystal display device capable of surely detecting a light blocking object regardless of the luminosity of external light or backlight.
SOLUTION: The liquid crystal display panel includes a plurality of pixels arranged in a matrix shape in a display area, and a plurality of light sensor circuits placed in the display area, and each of the plurality of light sensor circuits has a light sensor element. The backlight has first light intensity and second light intensity that is different from the first light intensity, and the first light intensity and the second light intensity are periodically switched therebetween for each predetermined period. The light sensor circuits have a light receiving period for detecting an amount of light and a reading period for reading an amount of light detected during the light receiving period, and the light receiving period is a multiple of the predetermined period. The light sensor elements have a light sensor operating state with sensitivity to light and a light sensor non-operating state without sensitivity to light during the light receiving period, and the light sensor operating state and the light sensor non-operating state are periodically switched therebetween for each predetermined period in synchronization with the switching of the light intensity of the backlight.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够可靠地检测遮光物体的液晶显示装置，而与外部光或背光的亮度无关。解决方案：液晶显示面板包括在显示区域中以矩阵形状布置的多个像素，以及放置在显示区域中的多个光传感器电路，并且多个光传感器电路中的每一个具有光传感元件背光具有与第一光强不同的第一光强度和第二光强度，并且在每个预定周期之间周期性地切换第一光强度和第二光强度。光传感器电路具有用于检测光量的光接收周期和用于读取在光接收时段期间检测到的光量的读取周期，并且光接收周期是预定周期的倍数。光传感器元件具有对光敏感的光传感器操作状态和在光接收期间对光没有敏感性的光传感器非操作状态，并且光传感器操作状态和光传感器非操作状态在其间周期性地切换对于每个预定周期，与背光的光强度的切换同步。版权所有（C）2011，JPO＆INPIT

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