公开(公告)号：US20140218414A1

公开(公告)日：2014-08-07

申请号：US14165738

申请日：2014-01-28

Applicant: Sony Corporation

Inventor： Ken Kikuchi ,  Takaaki Sugiyama ,  Takehiro Misonou ,  Genichiro Oga ,  Takahiro Kita

IPC: G09G3/32 ,  H03K17/081

CPC classification number: G09G3/3233

Abstract: A comparator unit includes: a comparison section configured to compare a control pulse with an electric potential based on a signal voltage; and a control section configured to control, based on the control pulse, operation and non-operation of the comparison section.

Abstract translation: 比较器单元包括：比较部，被配置为基于信号电压将控制脉冲与电位进行比较; 以及控制部，被配置为基于所述控制脉冲来控制所述比较部的操作和不操作。

公开(公告)号：US20130271509A1

公开(公告)日：2013-10-17

申请号：US13914218

申请日：2013-06-10

Applicant: Sony Corporation

Inventor： Yasuo INOUE ,  Yoshihiro Kosugi ,  Ken Kikuchi ,  Takeya Meguro ,  Hideto Mori ,  Toyo Osumi

IPC: G09G3/30

CPC classification number: G09G3/3266 ,  G09G3/2014 ,  G09G3/30 ,  G09G3/3233 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2320/043 ,  G09G2320/0626 ,  G09G2330/02 ,  G09G2330/025 ,  G09G2330/04 ,  G09G2360/16

Abstract: There is provided a display device including a display unit having pixels, each of which includes a luminescence element that individually becomes luminous depending on a current amount and a pixel circuit for controlling a current applied to the luminescence element according to a voltage signal, where the pixels are arranged in a matrix pattern. The display device includes an average luminance calculator (200) for calculating average luminance for a predetermined period of the input picture signal, and also includes a luminous time setter (202) for setting an effective duty depending on the calculated average luminance by the average luminance calculator (200), the effective duty regulating for each one frame a luminous time for which the luminescence element is luminous. The luminous time setter (202) sets the effective duty such that a luminescence amount regulated by a preset reference duty and possible maximum luminance of a picture signal.

Abstract translation: 提供一种显示装置，包括具有像素的显示单元，每个显示单元包括根据电流量单独变亮的发光元件和用于根据电压信号控制施加到发光元件的电流的像素电路，其中 像素以矩阵图案排列。 显示装置包括用于计算输入图像信号的预定周期的平均亮度的平均亮度计算器（200），并且还包括发光时间设定器（202），用于根据所计算的平均亮度设置有效占空比平均亮度 计算器（200），每一帧的有效负载调节发光元件发光的发光时间。 发光时间设定器（202）设置有效占空比，使得由预设参考占空比调节的发光量和图像信号的可能的最大亮度。

公开(公告)号：US20210295766A1

公开(公告)日：2021-09-23

申请号：US16490097

申请日：2018-03-06

Applicant: Sony Semiconductor Solutions Corporation ,  Sony Corporation

Inventor： Takaaki Sugiyama ,  Ken Kikuchi ,  Atsushi Yasuda ,  Hirokazu Imai ,  Hiroshi Tobita

IPC: G09G3/32

Abstract: A display apparatus according to an embodiment of the present disclosure includes: a display panel including a plurality of pixels; and a drive device that outputs a driving signal to the display panel. The driving signal causes one of the pixels to emit light many times by an active PWM drive method in a 1-frame period.

公开(公告)号：US10157578B2

公开(公告)日：2018-12-18

申请号：US15116608

申请日：2015-02-02

Applicant: Sony Corporation

Inventor： Ken Kikuchi ,  Hisao Sakurai

IPC: H03M1/66 ,  G09G3/3275 ,  H03M1/10 ,  H03M1/18 ,  H03M1/34 ,  G09G3/20 ,  G09G3/3233 ,  H03M1/56 ,  H03M1/12

Abstract: A light emitting device driving circuit according to the present disclosure includes a sawtooth waveform generating unit for generating a sawtooth waveform voltage having a sawtooth waveform voltage change based on at least two reference signals to be input and a comparison unit for comparing an analog signal voltage with the sawtooth waveform voltage. The light emitting device driving circuit drives a light emitting device based on the comparison result of the comparison unit. Accordingly, a comparison operation using a sawtooth waveform voltage having a waveform which is not disturbed is performed.

公开(公告)号：US20170103926A1

公开(公告)日：2017-04-13

申请号：US15128227

申请日：2015-03-17

Applicant: Sony Corporation

Inventor： Akiyoshi Aoyagi ,  Ken Kikuchi ,  Katsuhiro Tomoda

IPC: H01L21/66 ,  H01L25/16 ,  G09G3/32 ,  H01L33/58 ,  H01L33/62 ,  F21V19/00 ,  H01L25/075 ,  H01L33/54

Abstract: A mounting substrate according to an embodiment of the present technology includes: a wiring substrate (30); a plurality of light-emitting elements (12) arranged in a matrix on the wiring substrate; and a plurality of drive ICs (13) that are arranged in a matrix on the wiring substrate, and control light emission of the light-emitting elements. The light-emitting elements and the drive ICs are mounted on a same surface. The wiring substrate includes a plurality of first wiring lines (16) on a mounting surface whre the light-emitting elements and the dive ICs are mounted. The first wiring lines electrically couple the light-emitting elements to the drive ICs.

公开(公告)号：US20150029418A1

公开(公告)日：2015-01-29

申请号：US14334765

申请日：2014-07-18

Applicant: Sony Corporation

Inventor： Kazuhiko Ueda ,  Keisuke Hashimoto ,  Ken Kikuchi

IPC: G02F1/1333 ,  G02F1/133

CPC classification number: G02F1/167 ,  G02F2201/44 ,  G09G3/19 ,  G09G3/36 ,  G09G2300/023

Abstract: A display device may include a display portion to maintain a display state in accordance with a voltage applied thereto; and a plurality of light transmission regions adjacent to the display portion at positions corresponding to a plurality of light sources arranged over the display portion.

Abstract translation: 显示装置可以包括根据施加到其上的电压来维持显示状态的显示部分; 以及与布置在显示部分上的多个光源对应的位置处与显示部分相邻的多个光透射区域。

公开(公告)号：US20140132590A1

公开(公告)日：2014-05-15

申请号：US14156847

申请日：2014-01-16

Applicant: Sony Corporation

Inventor： Yasuo INOUE ,  Yoshihiro Kosugi ,  Ken Kikuchi ,  Takeya Meguro ,  Hideto Mori ,  Toyo Osumi

IPC: G09G3/32

CPC classification number: G09G3/3266 ,  G09G3/2014 ,  G09G3/30 ,  G09G3/3233 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2320/043 ,  G09G2320/0626 ,  G09G2330/02 ,  G09G2330/025 ,  G09G2330/04 ,  G09G2360/16

Abstract: There is provided a display device including a display unit having pixels, each of which includes a luminescence element that individually becomes luminous depending on a current amount and a pixel circuit for controlling a current applied to the luminescence element according to a voltage signal, where the pixels are arranged in a matrix pattern. The display device includes an average luminance calculator (200) for calculating average luminance for a predetermined period of the input picture signal, and also includes a luminous time setter (202) for setting an effective duty depending on the calculated average luminance by the average luminance calculator (200), the effective duty regulating for each one frame a luminous time for which the luminescence element is luminous. The luminous time setter (202) sets the effective duty such that a luminescence amount regulated by a preset reference duty and possible maximum luminance of a picture signal.

Abstract translation: 提供一种显示装置，包括具有像素的显示单元，每个显示单元包括根据电流量单独变亮的发光元件和用于根据电压信号控制施加到发光元件的电流的像素电路，其中 像素以矩阵图案排列。 显示装置包括用于计算输入图像信号的预定周期的平均亮度的平均亮度计算器（200），并且还包括发光时间设定器（202），用于根据所计算的平均亮度设置有效占空比平均亮度 计算器（200），每一帧的有效负载调节发光元件发光的发光时间。 发光时间设定器（202）设置有效占空比，使得由预设参考占空比调节的发光量和图像信号的可能的最大亮度。