公开(公告)号：US10933931B2

公开(公告)日：2021-03-02

申请号：US16085652

申请日：2018-02-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Zhou ,  Xuan He ,  Kailiang Zhang ,  Jingang Kang

IPC: B62D57/024 ,  G06T7/55 ,  G06T7/521 ,  G06T7/13 ,  B25J5/00 ,  B25J19/02 ,  E01D19/10 ,  G06T7/00 ,  H04N13/00

Abstract: An image processing method and system, a storage medium and a moving system are provided, and the image processing method includes: obtaining a 2D depth array Dp having depth information of a target object; calculating to obtain a depth vector D=[d1, d2, d3, . . . , di, . . . , dn], in which an element di is an average value of elements of the ith row in the 2D depth array; calculating to obtain an edge determination vector ΔD=[Δd1, Δd2, Δd3, . . . , Δdi, . . . , Δdn−1], in which an element Δdi=|di−di+1|; calculating an average value d0=(|Δd2−Δd1|+|Δd3−Δd2|+ . . . +|Δdn−1−Δdn−2|)/(n−2); and comparing an absolute value |Δdi−Δdi+1| with d0 to identify an edge of the target object, in which in a situation where |Δdi−Δdi+1| is greater than d0, it is determined that the elements of the ith row in the 2D depth array Dp correspond to the edge of the target object.

公开(公告)号：US10136186B2

公开(公告)日：2018-11-20

申请号：US14427050

申请日：2014-04-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kailiang Zhang

IPC: H04N7/16 ,  H04N21/458 ,  H04N21/422 ,  H04N21/462 ,  H04N21/435 ,  H04N21/438 ,  H04N21/6543 ,  H04N21/6547 ,  H04N21/433 ,  H04N21/4335 ,  H04N21/432

Abstract: There are disclosed a signal processing method, a signal reception processing apparatus and a TV system, wherein the signal processing method comprises: receiving a control signal and decoding said control signal; comparing a signal instruction obtained from the decoding with preset instructions and generating an execution instruction corresponding to the matched preset instruction, wherein said preset instructions include a channel storage instruction and a channel change instruction; and performing corresponding execution actions according to the execution instruction. In the signal reception processing apparatus and the TV system based on the above method, specific channels are stored by decoding the control signal, and thus by storing specific channels, the aged can perform operations only on these specific TV channels instead of all TV channels when watching TV programs, and therefore they can watch TV program conveniently.

公开(公告)号：US10026372B2

公开(公告)日：2018-07-17

申请号：US14772262

申请日：2014-11-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Kailiang Zhang ,  Masakazu Okamura ,  Jianbo Xian

IPC: G09G3/36 ,  H02H7/125 ,  H02M7/06 ,  H02M1/32

CPC classification number: G09G3/3648 ,  G09G3/36 ,  G09G2310/08 ,  G09G2330/02 ,  G09G2330/04 ,  G09G2330/08 ,  H02H7/1252 ,  H02M1/32 ,  H02M7/06 ,  H02M7/066

Abstract: An AC-DC converter, power supply board and display apparatus is disclosed. The AC-DC converter comprises: an AC-DC converting circuit; a transformer, whose primary coil has a first terminal coupled to a positive output terminal of the AC-DC converting circuit, and second terminal connected to a load; a voltage monitoring circuit, whose input terminal is coupled to the first terminal of the secondary coil, and second terminal of the secondary coil connected to a ground; and a control circuit, whose input terminal is coupled to an output terminal of the voltage monitoring circuit, and output terminal coupled to the AC-DC converting circuit; wherein the voltage monitoring circuit outputs a control voltage when a voltage outputted by the first terminal of the secondary coil of the transformer exceeds a first threshold; the control circuit controls the AC-DC converting circuit to stop providing power supply when the control voltage exceeds a second threshold.

公开(公告)号：US09881589B2

公开(公告)日：2018-01-30

申请号：US14381358

申请日：2013-12-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kailiang Zhang

IPC: G09G5/10 ,  G09G5/18 ,  G09G3/32 ,  H05B33/08 ,  G09G3/34

CPC classification number: G09G5/10 ,  G09G3/32 ,  G09G3/3406 ,  G09G5/18 ,  G09G2330/021 ,  H05B33/0815 ,  H05B33/0845 ,  Y02B20/346

Abstract: There are disclosed a backlight source driving circuit and a display apparatus. The backlight source driving circuit comprises a switch field effect transistor (Q1), a freewheeling field effect transistor (Q2), a power supplying module, a control module, a LED group (Z) and a feedback module, the power supplying module is configured to supply power to the LED group (Z), the control module is configured to control turn-on timings of the switch field effect transistor (Q1) and the freewheeling field effect transistor (Q2) to be opposite, and the feedback module is configured to provide a feedback voltage to the control module. The backlight source driving circuit is disposed in the display apparatus. By utilizing the field effect transistor as the freewheeling device in the backlight source driving circuit, the power consumption of the driving circuit is decreased effectively and an efficiency of the driving circuit is enhanced.

公开(公告)号：US20160260397A1

公开(公告)日：2016-09-08

申请号：US14772262

申请日：2014-11-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kailiang Zhang ,  Masakazu Okamura ,  Jianbo Xian

IPC: G09G3/36 ,  H02H7/125 ,  H02M7/06

CPC classification number: G09G3/3648 ,  G09G3/36 ,  G09G2310/08 ,  G09G2330/02 ,  G09G2330/04 ,  G09G2330/08 ,  H02H7/1252 ,  H02M1/32 ,  H02M7/06 ,  H02M7/066

Abstract: An AC-DC converter, power supply board and display apparatus is disclosed. The AC-DC converter comprises: an AC-DC converting circuit; a transformer, whose primary coil has a first terminal coupled to a positive output terminal of the AC-DC converting circuit, and second terminal connected to a load; a voltage monitoring circuit, whose input terminal is coupled to the first terminal of the secondary coil, and second terminal of the secondary coil connected to a ground; and a control circuit, whose input terminal is coupled to an output terminal of the voltage monitoring circuit, and output terminal coupled to the AC-DC converting circuit; wherein the voltage monitoring circuit outputs a control voltage when a voltage outputted by the first terminal of the secondary coil of the transformer exceeds a first threshold; the control circuit controls the AC-DC converting circuit to stop providing power supply when the control voltage exceeds a second threshold.

Abstract translation: 公开了一种AC-DC转换器，电源板和显示装置。 AC-DC转换器包括：AC-DC转换电路; 变压器，其初级线圈具有耦合到AC-DC转换电路的正输出端的第一端子和连接到负载的第二端子; 电压监视电路，其输入端子耦合到次级线圈的第一端子，并且次级线圈的第二端子连接到地; 以及控制电路，其输入端耦合到电压监视电路的输出端，以及耦合到AC-DC转换电路的输出端; 其特征在于，当所述变压器的次级线圈的第一端子输出的电压超过第一阈值时，所述电压监视电路输出控制电压; 当控制电压超过第二阈值时，控制电路控制AC-DC转换电路停止提供电源。

公开(公告)号：US09412311B2

公开(公告)日：2016-08-09

申请号：US14342231

申请日：2013-04-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kailiang Zhang

IPC: G09G5/00 ,  G09G3/34 ,  G02B27/22 ,  H04N13/04 ,  H05B33/08 ,  H05B41/392 ,  G02F1/1335

CPC classification number: G09G3/3406 ,  G02B27/22 ,  G02F2001/133626 ,  G09G3/342 ,  G09G2320/0209 ,  H04N13/359 ,  H05B33/0845 ,  H05B41/392

Abstract: A backlight module and a display device comprising the backlight module, the backlight module, including: a backlight source, including a plurality of backlight lamps (5); and a backlight source control device, including: a backlight source driving device, configured to provide a driving signal to the backlight source; a 2D/3D backlight switching unit; and a first switch, connected with the 2D/3D backlight switching unit, wherein the 2D/3D backlight switching unit (4) is configured to control switching-on and switching-off of the first switch while a displaying mode is switched between a 2D displaying mode and a 3D displaying mode, and the backlight source driving device is directly connected with a part of the plurality of backlight lamps of the backlight source, and the remaining backlight lamps in the backlight source are connected with the backlight source driving device via the first switch. By flexibly controlling over the backlight source, the brightness of the backlight source can be flexibly controlled while a display device is switched between the 2D displaying mode and the 3D displaying mode.

Abstract translation: 背光模块和显示装置，包括背光模块，背光模块，包括：背光源，包括多个背光灯; 以及背光源控制装置，包括：背光源驱动装置，被配置为向所述背光源提供驱动信号; 2D / 3D背光开关单元; 以及与所述2D / 3D背光开关单元连接的第一开关，其中所述2D / 3D背光开关单元（4）被配置为控制所述第一开关的接通和断开，同时在2D 显示模式和3D显示模式，并且背光源驱动装置与背光源的多个背光灯的一部分直接连接，并且背光源中的剩余背光灯经由背光源驱动装置经由 第一个开关 通过灵活地控制背光源，可以在2D显示模式和3D显示模式之间切换显示装置的同时灵活地控制背光源的亮度。

公开(公告)号：US20160196805A1

公开(公告)日：2016-07-07

申请号：US14772856

申请日：2014-12-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shuo Chen ,  Kailiang Zhang

IPC: G09G5/373 ,  G06T3/40

CPC classification number: G09G5/005 ,  G06F1/1616 ,  G06F1/1641 ,  G06F3/1446 ,  G06T3/40 ,  G09G5/006 ,  G09G5/373 ,  G09G5/391 ,  G09G2340/0407 ,  G09G2340/0414 ,  G09G2340/0421 ,  G09G2340/0442 ,  G09G2360/02 ,  G09G2360/04 ,  H04N5/64 ,  H04N7/0122

Abstract: A display device, a display system and a display method are provided. The display device comprises a main display screen, and a ratio of a number of pixels in a transverse direction to a number of pixels in a longitudinal direction of the main display screen is a main display scale. The display device further comprises: a first sub display screen adjoined with the main display screen in the longitudinal direction, and the first sub display screen and the main display screen having the same number of pixels in the transverse direction; and/or, a second sub display screen adjoined with the main display screen in the transverse direction, and the second sub display screen and the main display screen having the same number of pixels in the longitudinal direction.

Abstract translation: 提供了显示装置，显示系统和显示方法。 显示装置包括主显示屏幕，并且横向上的像素数与主显示屏幕的纵向方向上的像素数之比为主显示比例。 显示装置还包括：与纵向显示屏幕相邻的第一副显示屏幕，以及横向方向上具有相同像素数量的第一子显示屏幕和主显示屏幕; 和/或在横向上与主显示屏幕相邻的第二副显示屏幕，以及在纵向方向上具有相同像素数量的第二副显示屏幕和主显示屏幕。

公开(公告)号：US09207379B2

公开(公告)日：2015-12-08

申请号：US14103784

申请日：2013-12-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenjie Jiang ,  Xingxing Zhao ,  Kailiang Zhang ,  Zezhou Yang

IPC: F21V8/00

CPC classification number: G02B6/002 ,  G02B6/0068

Abstract: A light guide plate, a backlight module and a display device both comprising the light guide plate are disclosed. The light guide plate comprises a light emitting surface and multiple side surfaces perpendicular to and connected to the light emitting surface, the side surfaces including at least one first side surface and at least one second side surface. The light guide plate further comprises at least one set of folded surfaces perpendicular to and connected to the light emitting surface. Each set of folded surfaces is connected between a pair of first side surface and second side surface which are adjacent with each other. Each set of folded surfaces includes multiple light incident surfaces which are connected one by one. In the light incident surfaces in same set of folded surfaces, any two adjacent light incident surfaces form an acute angle opened toward inside of the light guide plate.

Abstract translation: 公开了一种导光板，背光模块和包括导光板的显示装置。 导光板包括发光表面和垂直于发光表面并连接到发光表面的多个侧表面，所述侧表面包括至少一个第一侧表面和至少一个第二侧表面。 导光板还包括垂直于并连接到发光表面的至少一组折叠表面。 每组折叠表面连接在彼此相邻的一对第一侧表面和第二侧表面之间。 每组折叠表面包括一个一个连接的多个光入射表面。 在同一组折叠表面的光入射表面中，任何两个相邻的光入射表面形成朝向导光板内侧开放的锐角。