公开(公告)号：US20130063400A1

公开(公告)日：2013-03-14

申请号：US13553245

申请日：2012-07-19

申请人： Seung-eon Ahn ,  I-Hun Song ,  Sang-hun Jeon ,  Young Kim ,  Yong-woo Jeon ,  Chang-jung Kim

发明人： Seung-eon Ahn ,  I-Hun Song ,  Sang-hun Jeon ,  Young Kim ,  Yong-woo Jeon ,  Chang-jung Kim

IPC分类号： G06F3/042 ,  H01L27/144 ,  H01L31/112

CPC分类号： H01L27/14609 ,  G06F3/0412 ,  G06F3/0421 ,  G06F2203/04103

摘要： In one embodiment, a light-sensing apparatus includes a light-sensing pixel array that has a plurality of light-sensing pixels arranged in rows and columns; and a gate driver configured to provide the light-sensing pixels with a gate voltage and a reset signal that have inverted phases. Each of the light-sensing pixels includes a light sensor transistor configured to sense light and a switch transistor configured to output a light-sensing signal from the light-sensor transistor. The gate driver includes a plurality of gate lines connected to gates of the switch transistors, a plurality of reset lines connected to gates of the light sensor transistors, and a plurality of phase inverters each connected between a corresponding reset line and a gate line. Thus, when a gate voltage is applied to one of the plurality of gate lines, a reset signal with an inversed phase to the gate voltage may be applied to a corresponding reset line.

摘要翻译： 在一个实施例中，光感测装置包括具有排列成行和列的多个感光像素的感光像素阵列; 以及栅极驱动器，被配置为向所述感光像素提供具有反相的栅极电压和复位信号。 每个感光像素包括被配置为感测光的光传感器晶体管和被配置为输出来自光传感器晶体管的光感测信号的开关晶体管。 栅极驱动器包括连接到开关晶体管的栅极的多个栅极线，连接到光传感器晶体管的栅极的多个复位线，以及各自连接在相应的复位线和栅极线之间的多个相位逆变器。 因此，当栅极电压施加到多条栅极线中的一条栅极线时，具有与栅极电压相反的相位的复位信号可被施加到相应的复位线。

公开(公告)号：US09035910B2

公开(公告)日：2015-05-19

申请号：US13434164

申请日：2012-03-29

申请人： Sang-hun Jeon ,  I-hun Song ,  Seung-eon Ahn ,  Young Kim ,  Chang-jung Kim ,  Yong-woo Jeon

发明人： Sang-hun Jeon ,  I-hun Song ,  Seung-eon Ahn ,  Young Kim ,  Chang-jung Kim ,  Yong-woo Jeon

IPC分类号： G06F3/042 ,  G06F3/038 ,  H01L27/146

CPC分类号： G06F3/042 ,  G06F3/0386 ,  H01L27/14679

摘要： Optical touch screen apparatuses with remote sensing and touch sensing by using a light sensor transistor including an oxide semiconductor transistor. The optical touch screen apparatus includes a pixel array of a plurality of sensing pixels arranged in a plurality of rows and a plurality of columns. Each of the sensing pixels includes a light sensing pixel for sensing light that is irradiated by an external light source and a touch sensing pixel for sensing display light that is reflected by a screen touch. The light sensing pixel includes a first light sensor transistor and a first switch transistor connected each other in series, and the touch sensing pixel includes a second light sensor transistor and a second switch transistor connected each other in series.

摘要翻译： 通过使用包括氧化物半导体晶体管的光传感器晶体管，具有遥感和触摸感测的光学触摸屏设备。 光学触摸屏装置包括排列成多行和多列的多个感测像素的像素阵列。 每个感测像素包括用于感测由外部光源照射的光的感光像素和用于感测被屏幕触摸反射的显示光的触摸感测像素。 感光像素包括串联连接的第一光传感器晶体管和第一开关晶体管，并且触摸感测像素包括彼此串联连接的第二光传感器晶体管和第二开关晶体管。

公开(公告)号：US20130050148A1

公开(公告)日：2013-02-28

申请号：US13434164

申请日：2012-03-29

申请人： Sang-hun Jeon ,  I-hun Song ,  Seung-eon Ahn ,  Young Kim ,  Chang-jung Kim ,  Yong-woo Jeon

发明人： Sang-hun Jeon ,  I-hun Song ,  Seung-eon Ahn ,  Young Kim ,  Chang-jung Kim ,  Yong-woo Jeon

IPC分类号： G06F3/042

CPC分类号： G06F3/042 ,  G06F3/0386 ,  H01L27/14679

摘要： Optical touch screen apparatuses with remote sensing and touch sensing by using a light sensor transistor including an oxide semiconductor transistor. The optical touch screen apparatus includes a pixel array of a plurality of sensing pixels arranged in a plurality of rows and a plurality of columns. Each of the sensing pixels includes a light sensing pixel for sensing light that is irradiated by an external light source and a touch sensing pixel for sensing display light that is reflected by a screen touch. The light sensing pixel includes a first light sensor transistor and a first switch transistor connected each other in series, and the touch sensing pixel includes a second light sensor transistor and a second switch transistor connected each other in series.

摘要翻译： 通过使用包括氧化物半导体晶体管的光传感器晶体管，具有遥感和触摸感测的光学触摸屏设备。 光学触摸屏装置包括排列成多行和多列的多个感测像素的像素阵列。 每个感测像素包括用于感测由外部光源照射的光的感光像素和用于感测被屏幕触摸反射的显示光的触摸感测像素。 感光像素包括串联连接的第一光传感器晶体管和第一开关晶体管，并且触摸感测像素包括彼此串联连接的第二光传感器晶体管和第二开关晶体管。

公开(公告)号：US09362322B2

公开(公告)日：2016-06-07

申请号：US13553245

申请日：2012-07-19

申请人： Seung-eon Ahn ,  I-hun Song ,  Sang-hun Jeon ,  Young Kim ,  Yong-woo Jeon ,  Chang-jung Kim

发明人： Seung-eon Ahn ,  I-hun Song ,  Sang-hun Jeon ,  Young Kim ,  Yong-woo Jeon ,  Chang-jung Kim

IPC分类号： H01L27/146 ,  G06F3/041 ,  G06F3/042

CPC分类号： H01L27/14609 ,  G06F3/0412 ,  G06F3/0421 ,  G06F2203/04103

摘要： In one embodiment, a light-sensing apparatus includes a light-sensing pixel array that has a plurality of light-sensing pixels arranged in rows and columns; and a gate driver configured to provide the light-sensing pixels with a gate voltage and a reset signal that have inverted phases. Each of the light-sensing pixels includes a light sensor transistor configured to sense light and a switch transistor configured to output a light-sensing signal from the light-sensor transistor. The gate driver includes a plurality of gate lines connected to gates of the switch transistors, a plurality of reset lines connected to gates of the light sensor transistors, and a plurality of phase inverters each connected between a corresponding reset line and a gate line. Thus, when a gate voltage is applied to one of the plurality of gate lines, a reset signal with an inversed phase to the gate voltage may be applied to a corresponding reset line.

摘要翻译： 在一个实施例中，光感测装置包括具有排列成行和列的多个感光像素的感光像素阵列; 以及栅极驱动器，被配置为向所述感光像素提供具有反相的栅极电压和复位信号。 每个感光像素包括被配置为感测光的光传感器晶体管和被配置为输出来自光传感器晶体管的光感测信号的开关晶体管。 栅极驱动器包括连接到开关晶体管的栅极的多个栅极线，连接到光传感器晶体管的栅极的多个复位线，以及各自连接在相应的复位线和栅极线之间的多个相位逆变器。 因此，当栅极电压施加到多条栅极线中的一条栅极线时，具有与栅极电压相反的相位的复位信号可被施加到相应的复位线。

公开(公告)号：US20130088460A1

公开(公告)日：2013-04-11

申请号：US13563911

申请日：2012-08-01

申请人： Seung-eon Ahn ,  I-hun Song ,  Sang-hun Jeon ,  Chang-jung Kim ,  Young Kim ,  Yong-woo Jeon

发明人： Seung-eon Ahn ,  I-hun Song ,  Sang-hun Jeon ,  Chang-jung Kim ,  Young Kim ,  Yong-woo Jeon

IPC分类号： G06F3/042

CPC分类号： G06F3/042 ,  G06F3/0412

摘要： An optical touch screen apparatus that includes a display pixel including a display cell and a driving transistor, the display cell configured to display an image and the driving transistor configured to turn on or off the display cell, the driving transistor having a double gate structure; and a light-sensing pixel including a light-sensing transistor and a switch transistor, the light-sensing transistor configured to sense incident light and the switch transistor configured to output data from the light-sensing transistor, the switch transistor having the double gate structure, wherein the double gate structure is a structure in which a bottom gate and a top gate are arranged such that a channel layer is disposed therebetween. The top gate may be formed together when forming a transparent electrode in the pixel, and thus even when the top gate is further included, the number of manufacturing processes is not increased.

摘要翻译： 一种光学触摸屏设备，包括包括显示单元和驱动晶体管的显示像素，所述显示单元被配置为显示图像，所述驱动晶体管被配置为导通或关闭所述显示单元，所述驱动晶体管具有双栅极结构; 以及包括感光晶体管和开关晶体管的感光像素，所述感光晶体管被配置为检测入射光，并且所述开关晶体管被配置为从所述感光晶体管输出数据，所述开关晶体管具有所述双栅极结构 其特征在于，所述双栅极结构是这样的结构，其中底栅极和顶栅极布置成使得沟道层位于它们之间。 当在像素中形成透明电极时，顶栅可以一起形成，因此即使当进一步包括顶栅时，制造工艺的数量也不会增加。

公开(公告)号：US09576992B2

公开(公告)日：2017-02-21

申请号：US13435666

申请日：2012-03-30

申请人： Sang-hun Jeon ,  I-hun Song ,  Seung-eon Ahn ,  Chang-jung Kim ,  Young Kim

发明人： Sang-hun Jeon ,  I-hun Song ,  Seung-eon Ahn ,  Chang-jung Kim ,  Young Kim

IPC分类号： H01L27/00 ,  H01L27/146 ,  G06F3/042

CPC分类号： H01L27/14609 ,  G06F3/042 ,  G06F2203/04103

摘要： Light-sensing apparatuses may include a light sensor transistor and a switching transistor in a light-sensing pixel, the transistors being oxide semiconductor transistors. In the light-sensing apparatus, the light sensor transistor and the switching transistor in the light-sensing pixel may be adjacently formed on one substrate, the switching transistor including a channel material that is relatively less light-sensitive than the light sensor transistor and is stable, and the light sensor transistor includes a channel material that is relatively light-sensitive. The light sensor transistor may include a transparent upper electrode on a surface of a channel, and a negative voltage may be applied to the transparent upper electrode, whereby a threshold voltage shift in a negative voltage direction may be prevented or reduced.

摘要翻译： 光感测装置可以包括光感测像素中的光传感器晶体管和开关晶体管，该晶体管是氧化物半导体晶体管。 在感光装置中，光感测像素中的光传感器晶体管和开关晶体管可以相邻地形成在一个衬底上，该开关晶体管包括与光传感器晶体管相比较不光敏的沟道材料，并且是 并且光传感器晶体管包括相对光敏的通道材料。 光传感器晶体管可以在通道的表面上包括透明上电极，并且可以向透明上电极施加负电压，由此可以防止或减小负电压方向上的阈值电压偏移。

公开(公告)号：US09891102B2

公开(公告)日：2018-02-13

申请号：US13545623

申请日：2012-07-10

申请人： Young Kim ,  I-hun Song ,  Seung-eon Ahn ,  Sang-hun Jeon ,  Chang-jung Kim ,  Sung-ho Park

发明人： Young Kim ,  I-hun Song ,  Seung-eon Ahn ,  Sang-hun Jeon ,  Chang-jung Kim ,  Sung-ho Park

IPC分类号： G09G3/36 ,  G01J1/44 ,  H01L27/146 ,  G06F3/038 ,  G06F3/041 ,  G06F3/042 ,  H01L27/12 ,  H01L31/113 ,  H04N5/3745

CPC分类号： G01J1/44 ,  G06F3/0386 ,  G06F3/0412 ,  G06F3/042 ,  G09G3/3648 ,  H01L27/1225 ,  H01L27/14609 ,  H01L27/14681 ,  H01L31/1136 ,  H04N5/3745

摘要： In a simplified light sensing circuit, a light sensing apparatus including the light sensing circuit, a method of driving the light sensing apparatus, and an image acquisition apparatus and optical touch screen apparatus including the light sensing apparatus, the light sensing circuit includes an oxide semiconductor transistor including a channel layer including an oxide semiconductor material, for each pixel. The oxide semiconductor transistor is configured to operate as a light sensing device that senses light and a switch that outputs light sensing data.

公开(公告)号：US09048163B2

公开(公告)日：2015-06-02

申请号：US13404136

申请日：2012-02-24

申请人： Sang-hun Jeon ,  I-hun Song ,  Seung-eon Ahn ,  Chang-jung Kim ,  Young Kim

发明人： Sang-hun Jeon ,  I-hun Song ,  Seung-eon Ahn ,  Chang-jung Kim ,  Young Kim

IPC分类号： H01L29/12 ,  H01L27/146

CPC分类号： H01L27/14692 ,  H01L27/14612

摘要： A transistor may include an active layer having a plurality of oxide semiconductor layers and an insulating layer disposed therebetween. The insulating layer may include a material that has higher etch selectivity with respect to at least one of the plurality of oxide semiconductor layers. The electronic device may include a first transistor and a second transistor connected to the first transistor. The second transistor may include an active layer having a different structure from that of the active layer included in the first transistor. The active layer of the second transistor may have the same structure as one of the plurality of oxide semiconductor layers constituting the active layer of the first transistor.

摘要翻译： 晶体管可以包括具有多个氧化物半导体层的有源层和设置在其间的绝缘层。 绝缘层可以包括相对于多个氧化物半导体层中的至少一个具有较高蚀刻选择性的材料。 电子设备可以包括连接到第一晶体管的第一晶体管和第二晶体管。 第二晶体管可以包括具有与包括在第一晶体管中的有源层的结构不同的结构的有源层。 第二晶体管的有源层可以具有与构成第一晶体管的有源层的多个氧化物半导体层中的一个相同的结构。

公开(公告)号：US20120274608A1

公开(公告)日：2012-11-01

申请号：US13545623

申请日：2012-07-10

申请人： Young Kim ,  I-hun Song ,  Seung-eon Ahn ,  Sang-hun Jeon ,  Chang-jung Kim ,  Sung-ho Park

发明人： Young Kim ,  I-hun Song ,  Seung-eon Ahn ,  Sang-hun Jeon ,  Chang-jung Kim ,  Sung-ho Park

IPC分类号： H01L27/148 ,  G06F3/042

CPC分类号： G01J1/44 ,  G06F3/0386 ,  G06F3/0412 ,  G06F3/042 ,  G09G3/3648 ,  H01L27/1225 ,  H01L27/14609 ,  H01L27/14681 ,  H01L31/1136 ,  H04N5/3745

摘要： In a simplified light sensing circuit, a light sensing apparatus including the light sensing circuit, a method of driving the light sensing apparatus, and an image acquisition apparatus and optical touch screen apparatus including the light sensing apparatus, the light sensing circuit includes an oxide semiconductor transistor including a channel layer including an oxide semiconductor material, for each pixel. The oxide semiconductor transistor is configured to operate as a light sensing device that senses light and a switch that outputs light sensing data.

摘要翻译： 在简化的光感测电路中，包括光感测电路的光感测装置，驱动光检测装置的方法以及包括光感测装置的图像获取装置和光学触摸屏装置，光感测电路包括氧化物半导体 晶体管，其包括用于每个像素的包括氧化物半导体材料的沟道层。 氧化物半导体晶体管被配置为作为感测光的光感测装置和输出光检测数据的开关进行操作。

公开(公告)号：US08704148B2

公开(公告)日：2014-04-22

申请号：US13358862

申请日：2012-01-26

申请人： Sang-hun Jeon ,  I-hun Song ,  Seung-eon Ahn ,  Chang-jung Kim ,  Young Kim

发明人： Sang-hun Jeon ,  I-hun Song ,  Seung-eon Ahn ,  Chang-jung Kim ,  Young Kim

IPC分类号： H01J40/14

CPC分类号： H01L27/14632 ,  H01L27/1446 ,  H01L27/14603 ,  H01L27/14623

摘要： According to an example embodiment, a light-sensing apparatus may include an array of light-sensing pixels, a first gate driver, and a signal output unit. Each of the light-sensing pixels may include a light sensor transistor configured to sense light, a switch transistor configured to output a light-sensing signal from the light sensor transistor, and a conductive light-shielding film on a light-incident surface of the switch transistor. The light sensor transistor and the switch transistor may have the same oxide semiconductor transistor structure. The first gate driver may be configured to provide a gate voltage and a negative bias voltage to each of the light-sensing pixels. The signal output unit may be configured to receive the light-sensing signal from each of the light-sensing pixels and output a data signal.

摘要翻译： 根据示例实施例，光感测装置可以包括光感测像素阵列，第一栅极驱动器和信号输出单元。 每个感光像素可以包括被配置为感测光的光传感器晶体管，被配置为从光传感器晶体管输出光感测信号的开关晶体管，以及在所述光传感器晶体管的光入射表面上的导电屏蔽膜 开关晶体管。 光传感器晶体管和开关晶体管可以具有相同的氧化物半导体晶体管结构。 第一栅极驱动器可以被配置为向每个感光像素提供栅极电压和负的偏置电压。 信号输出单元可以被配置为从每个感光像素接收光感测信号并输出​​数据信号。