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    • 2. 发明授权
    • Solid-state image pickup device and signal processing method therefor
    • 固态摄像装置及其信号处理方法
    • US09041827B2
    • 2015-05-26
    • US11655201
    • 2007-01-19
    • Hiroki SatoKeiji MabuchiNobuo NakamuraTetsuya Iizuka
    • Hiroki SatoKeiji MabuchiNobuo NakamuraTetsuya Iizuka
    • H04N5/228H04N5/335H04N3/14
    • H04N5/335
    • The invention makes it possible to perform effective A/D conversion on pixel signals read from a pixel array part, to achieve a reduction in power consumption and reductions in the size and the price of an image pickup device as well as simplification of the construction of the device, and to realize a high-quality image output. The device includes an pixel array part having a plurality of unit pixels, a CDS (correlated double sampling) circuit, and an A/D converter. A pixel signal read from a pixel array part via a signal line is subjected to CDS processing (noise elimination processing) in the CDS circuit, and then this pixel signal is inputted into the A/D converter which performs A/D conversion on the pixel signal. The A/D converter includes a ΔΣ modulator and a digital filter to perform highly accurate A/D conversion. The invention can also be applied to a construction in which an A/D converter is provided at the front stage of the CDS circuit.
    • 本发明使得可以对从像素阵列部分读取的像素信号进行有效的A / D转换,以实现图像拾取装置的功耗的降低和尺寸和价格的降低以及简化的 该设备,并实现高质量的图像输出。 该装置包括具有多个单位像素的像素阵列部分,CDS(相关双采样)电路和A / D转换器。 经由信号线从像素阵列部分读取的像素信号在CDS电路中进行CDS处理(噪声消除处理),然后将该像素信号输入到对像素进行A / D转换的A / D转换器 信号。 A / D转换器包括&Dgr& 调制器和数字滤波器,以执行高精度的A / D转换。 本发明也可以应用于在CDS电路的前级设置A / D转换器的结构。
    • 3. 发明授权
    • Solid-state image pickup device and signal processing method therefor
    • 固体摄像装置及其信号处理方法
    • US07227570B2
    • 2007-06-05
    • US10449125
    • 2003-06-02
    • Hiroki SatoKeiji MabuchiNobuo NakamuraTetsuya Iizuka
    • Hiroki SatoKeiji MabuchiNobuo NakamuraTetsuya Iizuka
    • H04N5/228
    • H04N5/335
    • The invention makes it possible to perform effective A/D conversion on pixel signals read from a pixel array part, to achieve a reduction in power consumption and reductions in the size and the price of an image pickup device as well as simplification of the construction of the device, and to realize a high-quality image output. The device includes an pixel array part having a plurality of unit pixels, a CDS (correlated double sampling) circuit, and an A/D converter. A pixel signal read from a pixel array part via a signal line is subjected to CDS processing (noise elimination processing) in the CDS circuit, and then this pixel signal is inputted into the A/D converter which performs A/D conversion on the pixel signal. The A/D converter includes a ΔΣ modulator and a digital filter to perform highly accurate A/D conversion. The invention can also be applied to a construction in which an A/D converter is provided at the front stage of the CDS circuit.
    • 本发明使得可以对从像素阵列部分读取的像素信号进行有效的A / D转换,以实现图像拾取装置的功耗的降低和尺寸和价格的降低以及简化的 该设备,并实现高质量的图像输出。 该装置包括具有多个单位像素的像素阵列部分,CDS(相关双采样)电路和A / D转换器。 经由信号线从像素阵列部分读取的像素信号在CDS电路中进行CDS处理(噪声消除处理),然后将该像素信号输入到对像素进行A / D转换的A / D转换器 信号。 A / D转换器包括DeltaSigma调制器和数字滤波器,以执行高精度的A / D转换。 本发明也可以应用于在CDS电路的前级设置A / D转换器的结构。
    • 7. 发明授权
    • Solid-state image pickup device and device driving control method for solid-state image pickup
    • 用于固态图像拾取的固态图像拾取装置和装置驱动控制方法
    • US07271835B2
    • 2007-09-18
    • US10655156
    • 2003-09-04
    • Tetsuya IizukaTakahisa Ueno
    • Tetsuya IizukaTakahisa Ueno
    • H04N3/14
    • H01L27/14643H01L27/14609H04N5/3594H04N5/37452
    • Disclosed herein is a solid-state image pickup device including: a plurality of unit pixels each having: a charge generating section for generating a charge, a charge storage section for storing the charge generated by the charge generating section, a transfer gate section disposed between the charge generating section and the charge storage section for transferring the charge generated by the charge generating section to the charge storage section, and a pixel signal generating section for generating a pixel signal corresponding to the charge stored in the charge storage section; an unnecessary charge discharging gate section in each the unit pixel, switchable to block a flow of an unnecessary charge that is generated in the charge generating section and does not contribute to image formation, according to height of an electric barrier; and an unnecessary charge drain section disposed on an opposite side of the unnecessary charge discharging gate section from the charge generating section for receiving the unnecessary charge swept out of the charge generating section through the unnecessary charge discharging gate section.
    • 这里公开了一种固态图像拾取装置,包括:多个单位像素,每个单位像素具有:用于产生电荷的电荷产生部分,用于存储由电荷产生部分产生的电荷的电荷存储部分, 电荷产生部分和电荷存储部分,用于将由电荷产生部分产生的电荷传送到电荷存储部分;以及像素信号产生部分,用于产生与存储在电荷存储部分中的电荷相对应的像素信号; 每个单位像素中的不必要的电荷放电门部分,可切换成根据电屏障的高度阻止在电荷产生部分中产生的不需要的电荷的流动并且不有助于图像形成; 以及不必要的电荷排出部分,设置在与电荷产生部分不必要的电荷放电门部分相对的一侧,用于通过不需要的电荷放电门部分接收从电荷产生部分扫出的不必要的电荷。
    • 8. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20120119982A1
    • 2012-05-17
    • US13241730
    • 2011-09-23
    • Masaki MIYATAKETetsuya IizukaKatsuhiro Hoshina
    • Masaki MIYATAKETetsuya IizukaKatsuhiro Hoshina
    • G09G3/36
    • G02F1/1368G02F1/136227G02F1/136286G09G3/3648G09G3/3677G09G2310/0281G11C19/282
    • In one aspect, a liquid crystal display device includes a display region formed of a plural divided regions in a row direction. First and second driving circuits are arranged to face each other interposing the display region therebetween in the row direction. The first driving circuit is connected with odd scanning lines, and the second driving circuit is connected with the even scanning lines. A channel area of the TFT of the pixels connected to the odd scanning lines is the smallest in the divided region nearest to the first driving circuit and becomes larger gradually in the divided regions distant from the first driving circuit. A channel area of the TFT of the pixels connected to the even scanning lines is the smallest in the divided region nearest to the second driving circuit and becomes larger gradually in the divided regions with distant from the second driving circuit.
    • 一方面,液晶显示装置包括由行方向上的多个分割区域形成的显示区域。 第一驱动电路和第二驱动电路被布置为在行方向上彼此相对地插入显示区域。 第一驱动电路与奇数扫描线连接,第二驱动电路与偶数扫描线连接。 连接到奇数扫描线的像素的TFT的沟道面积在最靠近第一驱动电路的分割区域中最小,并且在远离第一驱动电路的分割区域中逐渐变大。 连接到偶数扫描线的像素的TFT的沟道面积在最靠近第二驱动电路的分割区域中最小,并且在远离第二驱动电路的分割区域中逐渐变大。
    • 9. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20070121039A1
    • 2007-05-31
    • US11555880
    • 2006-11-02
    • Keiji TagoHiroshi TabatakeHiroyuki KimuraTetsuya Iizuka
    • Keiji TagoHiroshi TabatakeHiroyuki KimuraTetsuya Iizuka
    • G02F1/1335
    • G02F1/133555G02F1/133371G02F1/133514G02F2001/133388G02F2201/52
    • In order to make a boundary inconspicuous, which is located between an image area which displays an image by translucent pixels and a dummy area which always displays a white color by reflection pixels, a size ratio of transparent areas in color filters of the reflection pixels with respect to reflection areas therein is made larger than a size ratio of transparent areas in color filters of the translucent pixels with respect to reflection areas therein. In such a way, brightness of the display is balanced by adjusting quantities of transmission light through the transparent areas of the reflection pixels with respect to quantities of reflection light generated unexpectedly on transmission areas of the translucent pixels. Then, degrees of whiteness in the translucent pixels and the reflection pixels are approximated to each other.
    • 为了使位于通过半透明像素显示图像的图像区域和总是通过反射像素显示白色的虚拟区域之间的边界不显眼,反射像素的滤色器中的透明区域的尺寸比例与 相对于其中的反射区域的尺寸比其中的反射区域大于半透明像素的滤色器中的透明区域的尺寸比。 以这种方式,通过相对于在半透明像素的透射区域上意外产生的反射光的量来调整穿过反射像素的透明区域的透射光的量来平衡显示器的亮度。 然后,半透明像素和反射像素的白度相互相近。
    • 10. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US06888609B2
    • 2005-05-03
    • US10449193
    • 2003-06-02
    • Tetsuya IizukaNobuko FukuokaYasuyuki HanazawaSeiichi Sato
    • Tetsuya IizukaNobuko FukuokaYasuyuki HanazawaSeiichi Sato
    • G02F1/1339G02F1/1333G02F1/1335G02F1/13357G02F1/1343G20F1/1333
    • G02F1/133555G02F1/133371G02F1/13394G02F2001/133388
    • A liquid crystal display device includes a thin film transistor (TFT) array substrate 10, a counter substrate 22 provided opposite to the TFT array substrate 10 and a liquid crystal layer 28 held between the TFT array and counter substrates 10 and 22. The TFT array substrate 10 has display and frame areas 31 and 32. There are pixel electrodes in the display area 31 which each have reflective and transparent portions 33 and 34 with convex and concave portions 29 and 30, respectively. Convex and concave portions 36 and 37 are also provided in the frame area 32 which are substantially the same in shape as convex and concave portions 29 and 30 in the display area 31. The surface of a photoresist coating film in the display area 31 shown by a dotted line 39 is substantially the same in configuration as that in the frame area 32 to make the column-like spacers 27 and 38 substantially the same in height. A cell gap between the TFT array and counter substrates 10 and 22 is made thereby substantially uniform.
    • 液晶显示装置包括薄膜晶体管(TFT)阵列基板10,与TFT阵列基板10相对设置的对置基板22和保持在TFT阵列和对置基板10和22之间的液晶层28. TFT阵列 衬底10具有显示器和框架区域31和32.显示区域31中有像素电极,每个像素电极分别具有反射和透明部分33和34,其具有凸凹部分29和30。 凸部36和37也设置在框架区域32中,其在显示区域31中与凸部29和凹部30基本相同。显示区域31中的光致抗蚀剂涂膜的表面由 虚线39在框架区域32中的构造基本相同,以使柱状间隔件27和38的高度基本相同。 由此,TFT阵列和对置基板10和22之间的单元间隙基本上均匀。