公开(公告)号：AU2020100003A4

公开(公告)日：2020-02-13

申请号：AU2020100003

申请日：2020-01-02

Applicant: APPLE INC

Inventor： JIN JIAYI ,  DOYLE DAVID A ,  KOO KYUNG HOAE ,  YANG MAOFENG ,  LIM MICHAEL H ,  SACCHETTO PAOLO ,  JOHNSON TIMOTHY M ,  RAJENDRAN VENKATESH ,  YAO WEIJUN ,  CHU YUE JACK

IPC: G09G3/3291 ,  G06F3/147

Abstract: Abstract A display may have an array of organic light-emitting diode display pixels. Each display pixel may include a drive transistor coupled in series with one or more emission transistors and a respective organic light-emitting diode (OLED). A semiconducting-oxide transistor may be coupled between a drain terminal and a gate terminal of the drive transistor to help reduce leakage during low-refresh-rate display operations. To compensate for variations in the threshold voltage of the semiconducting-oxide transistor, the magnitude of a high voltage level of a scan control signal provided to the gate terminal of the semiconducting-oxide transistor may be adjusted. Sensing circuitry may be used to sense a display current while displaying a calibration image. The sensed display current may be compared to an expected display current associated with the calibration image. Processing circuitry may update the high voltage level based on the actual display current compared to the expected display current.

公开(公告)号：AU2020100003B4

公开(公告)日：2020-07-09

申请号：AU2020100003

申请日：2020-01-02

Applicant: APPLE INC

Inventor： JIN JIAYI ,  DOYLE DAVID A ,  KOO KYUNG HOAE ,  YANG MAOFENG ,  LIM MICHAEL H ,  SACCHETTO PAOLO ,  JOHNSON TIMOTHY M ,  RAJENDRAN VENKATESH ,  YAO WEIJUN ,  CHU YUE JACK

IPC: G09G3/3291 ,  G06F3/147

Abstract: Abstract A display may have an array of organic light-emitting diode display pixels. Each display pixel may include a drive transistor coupled in series with one or more emission transistors and a respective organic light-emitting diode (OLED). A semiconducting-oxide transistor may be coupled between a drain terminal and a gate terminal of the drive transistor to help reduce leakage during low-refresh-rate display operations. To compensate for variations in the threshold voltage of the semiconducting-oxide transistor, the magnitude of a high voltage level of a scan control signal provided to the gate terminal of the semiconducting-oxide transistor may be adjusted. Sensing circuitry may be used to sense a display current while displaying a calibration image. The sensed display current may be compared to an expected display current associated with the calibration image. Processing circuitry may update the high voltage level based on the actual display current compared to the expected display current.

公开(公告)号：WO2013036334A3

公开(公告)日：2013-08-15

申请号：PCT/US2012049124

申请日：2012-08-01

Applicant: APPLE INC ,  GETTEMY SHAWN R ,  WURZEL JOSHUA G ,  DOYLE DAVID A ,  SCHLAUPITZ ALEXANDER D

Inventor： GETTEMY SHAWN R ,  WURZEL JOSHUA G ,  DOYLE DAVID A ,  SCHLAUPITZ ALEXANDER D

IPC: F21V8/00 ,  G02F1/13357

CPC classification number: G02B6/0088 ,  G02B6/0031 ,  G02B6/0065 ,  G02F2001/133314 ,  G02F2001/133317

Abstract: An electronic device may be provided with a display. Backlight structures may be used to provide backlight for the display. The backlight structures may include a light guide plate. A rectangular ring-shaped chassis may have a rectangular opening that receives the light guide plate. One or more edges of the chassis may be provided with an array of notches that receive light-emitting diodes or other light sources. The light sources may launch light into edge portions of the light guide plate. The chassis may include a first plastic structure such as a light reflecting structure formed from a material such as white plastic. The first plastic structure may surround two or more peripheral edges of the light guide plate. The chassis may also include a second plastic structure such as a light blocking structure formed from a material such as black plastic that helps prevent light leakage.

Abstract translation: 电子设备可以设置有显示器。 背光结构可以用于为显示器提供背光。 背光结构可以包括导光板。 矩形环形底盘可以具有容纳导光板的矩形开口。 底座的一个或多个边缘可以设置有接收发光二极管或其他光源的凹槽阵列。 光源可以将光发射到导光板的边缘部分中。 底架可以包括第一塑料结构，例如由诸如白色塑料之类的材料形成的光反射结构。 第一塑料结构可以围绕导光板的两个或更多个周边边缘。 底座还可以包括第二塑料结构，诸如由诸如黑色塑料的材料形成的阻光结构，其帮助防止光泄漏。

公开(公告)号：WO2011156205A2

公开(公告)日：2011-12-15

申请号：PCT/US2011038945

申请日：2011-06-02

Applicant: APPLE INC ,  GE ZHIBING ,  CULBERT DIANE L ,  DOYLE DAVID A ,  QI JUN ,  CHEN CHENG ,  GETTEMY SHAWN R

Inventor： GE ZHIBING ,  CULBERT DIANE L ,  DOYLE DAVID A ,  QI JUN ,  CHEN CHENG ,  GETTEMY SHAWN R

IPC: G02F1/1362

CPC classification number: G02F1/136209 ,  G02F1/133502 ,  G02F1/13363 ,  G02F1/136286 ,  G02F2001/133562 ,  G02F2001/133567 ,  G02F2413/07

Abstract: Displays such as liquid crystal displays may be provided with structures that minimize curtain mura. A display may have upper and lower polarizers. A color filter layer and a thin film transistor layer may be located between the upper and lower polarizers. A liquid crystal layer may be interposed between the color filter layer and the thin film transistor layer. A first optical film layer that includes a birefringent compensating layer may be located between the upper polarizer and the color filter layer. A second optical film layer that is devoid of birefringent compensating layers may be located between the thin film transistor layer and the lower polarizer. A grid of metal signal lines may be used to distribute signals to thin film transistors on the thin film transistor layer. A black mask may be interposed between the grid of signal lines and the thin film transistor layer.

Abstract translation: 可以提供诸如液晶显示器的显示器，其使窗帘最小化的结构。 显示器可以具有上偏振器和下偏振器。 滤色器层和薄膜晶体管层可以位于上偏振器和下偏振器之间。 可以在滤色器层和薄膜晶体管层之间插入液晶层。 包括双折射补偿层的第一光学膜层可以位于上偏振器和滤色器层之间。 没有双折射补偿层的第二光学膜层可以位于薄膜晶体管层和下偏振片之间。 可以使用金属信号线的栅格来将信号分配到薄膜晶体管层上的薄膜晶体管。 信号线格栅和薄膜晶体管层之间可以插入黑色掩模。