公开(公告)号：US20160275897A1

公开(公告)日：2016-09-22

申请号：US14660619

申请日：2015-03-17

Applicant: APPLE INC.

Inventor： Hung Sheng Lin ,  Chaohao Wang ,  Paolo Sacchetto

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3648 ,  G09G3/3688 ,  G09G2310/027 ,  G09G2310/0289 ,  G09G2310/0291 ,  G09G2320/0209 ,  G09G2320/029 ,  G09G2330/06 ,  G09G2330/08

Abstract: Devices and methods related to liquid crystal displays (LCDs) are provided. For example, such an electronic device may include an LCD with a slew rate control unit that adjusts a slew rate for source drivers of the LCD. The slew rate may be adjusted differently for each source driver and for each frame of data signal delivered by the source driver. Individually adjusting the slew rate of the source driver enables the LCD to respond to or reduce noise within the LCD that may otherwise contribute to flickering or other unwanted display events.

Abstract translation: 提供与液晶显示器（LCD）相关的设备和方法。 例如，这样的电子设备可以包括具有用于调整LCD的源极驱动器的转换速率的转换速率控制单元的LCD。 对于每个源驱动器和源驱动器传送的每个数据信号帧，可以不同地调整转换速率。 单独调整源驱动器的转换速率使LCD能够响应或降低LCD内的噪声，否则可能会导致闪烁或其他不需要的显示事件。

公开(公告)号：US20160260407A1

公开(公告)日：2016-09-08

申请号：US14640931

申请日：2015-03-06

Applicant: APPLE INC.

Inventor： Fenghua Zheng ,  Howard H. Tang ,  James C. Aamold ,  Sandro H. Pintz ,  Chaohao Wang ,  Paolo Sacchetto

IPC: G09G3/36 ,  G09G3/00

CPC classification number: G09G3/3614 ,  G09G3/3655 ,  G09G2320/0223 ,  G09G2320/029 ,  G09G2340/16

Abstract: Methods and systems for compensating for VCOM variations include determining a voltage change in pixels between frames to be displayed on an electronic display. Based on the determined voltage change, VCOM variation is calculated based on coupling the VCOM to one or more data lines of the electronic display. VCOM compensation is determined and applied to offset for the VCOM variation. Using the VCOM offset, subsequent pixel content for the one or more pixels is written using the compensated VCOM.

Abstract translation: 用于补偿VCOM变化的方法和系统包括确定要在电子显示器上显示的帧之间的像素中的电压变化。 基于确定的电压变化，基于将VCOM耦合到电子显示器的一个或多个数据线来计算VCOM变化。 VCOM补偿被确定并应用于偏移VCOM变化。 使用VCOM偏移，使用补偿的VCOM写入一个或多个像素的后续像素内容。

公开(公告)号：US20160140889A1

公开(公告)日：2016-05-19

申请号：US14673685

申请日：2015-03-30

Applicant: Apple Inc.

Inventor： Jiaying Wu ,  Lu Zhang ,  Cheng Chen ,  Gabriel Marcu ,  Chaohao Wang ,  Ming Xu ,  Ricardo Motta ,  Wei Chen ,  John Z. Zhong

IPC: G09G3/20

CPC classification number: G09G3/2003 ,  G09G3/3413 ,  G09G5/02 ,  G09G2320/0242 ,  G09G2320/0261 ,  G09G2320/0666 ,  G09G2360/144 ,  G09G2360/145

Abstract: An electronic device may include a display having an array of display pixels and having display control circuitry that controls the operation of the display. The display control circuitry may adaptively adjust the display output based on ambient lighting conditions. For example, in cooler ambient lighting conditions such as those dominated by daylight, the display may display neutral colors using a relatively cool white. When the display is operated in warmer ambient lighting conditions such as those dominated by indoor light sources, the display may display neutral colors using a relatively warm white. Adapting to the ambient lighting conditions may ensure that the user does not perceive color shifts on the display as the user's vision chromatically adapts to different ambient lighting conditions. Adaptively adjusting images in this way can also have beneficial effects on the human circadian rhythm by displaying warmer colors in the evening.

Abstract translation: 电子设备可以包括具有显示像素阵列并具有控制显示器的操作的显示控制电路的显示器。 显示控制电路可以基于环境照明条件自适应地调整显示输出。 例如，在较冷的环境照明条件下，例如由日光控制的环境照明条件下，显示器可以使用相当冷的白色显示中性色。 当显示器在诸如由室内光源所主导的那些的温暖的环境照明条件下操作时，显示器可以使用相对温暖的白色显示中性色。 适应环境照明条件可以确保用户在视觉色彩适应不同的环境照明条件时不会察觉显示器上的色彩偏移。 以这种方式自适应调整图像也可以通过在晚上显示温暖的颜色对人类昼夜节律有益。

公开(公告)号：US20160117971A1

公开(公告)日：2016-04-28

申请号：US14986181

申请日：2015-12-31

Applicant: Apple Inc.

Inventor： Paolo Scchetto ,  Christopher P. Tann ,  Taesung Kim ,  Sandro H. Pintz ,  Marc Albrecht ,  Chaohao Wang ,  David S. Zalatimo ,  Fenghua Zheng ,  Zhibing Ge

IPC: G09G3/20

CPC classification number: G09G3/20 ,  G09G2310/0254 ,  G09G2310/063 ,  G09G2310/08 ,  G09G2320/0204 ,  G09G2340/0435

Abstract: System and method for improving displayed image quality of an electronic display that displays a first image frame by applying a first voltage to a display pixel and a second image frame directly before the first image frame by applying a second voltage to the display pixel. A display pipeline is communicatively coupled to the electronic display and receives first image data corresponding with the first image frame, where the image data includes a first grayscale value corresponding with the display pixel. Additionally the display pipeline determines an inversion balancing grayscale offset based at least in part on the first grayscale value when polarity of the first voltage and polarity of the second voltage are the same and determines magnitude of the first voltage by applying the inversion balancing grayscale offset to the first grayscale value to reduce likelihood of a perceivable luminance spike when displaying the first image frame.

Abstract translation: 一种用于通过向显示像素施加第二电压来提高通过对第一图像帧之前的显示像素和第二图像帧施加第一电压来显示第一图像帧的电子显示器的显示图像质量的系统和方法。 显示管线通信地耦合到电子显示器并接收与第一图像帧对应的第一图像数据，其中图像数据包括与显示像素对应的第一灰度值。 此外，当第一电压的极性和第二电压的极性相同时，至少部分地基于第一灰度值，显示管线确定反转平衡灰度偏移，并且通过将反转平衡灰度偏移应用于第一电压的幅度来确定第一电压的幅度 第一灰度值，以在显示第一图像帧时降低可感知的亮度尖峰的可能性。

公开(公告)号：US12249271B2

公开(公告)日：2025-03-11

申请号：US18358004

申请日：2023-07-24

Applicant: Apple Inc.

Inventor： Jenny Hu ,  Alexandre V Gauthier ,  Tao Jia ,  Scott R Johnston ,  Yingying Tang ,  Chaohao Wang

IPC: G09G3/32 ,  G09G3/20

Abstract: Devices and methods are provided to overdrive or underdrive a display panel to account for display pixel hysteresis due to several frames of pixel history. An electronic device may include an electronic display and processing circuitry. The electronic display includes a number of display pixels. The processing circuitry may generate image data for the display pixels. The processing circuitry may receive a current frame value of the image data targeted for a first display pixel and, based at least in part on the current frame value and a pixel history of the first display pixel—may indicate a gray level for a number of previous frames—generate a compensated value by which to drive the first pixel to overcome pixel hysteresis to reach the desired luminance at an initial response.

公开(公告)号：US12027117B2

公开(公告)日：2024-07-02

申请号：US17472322

申请日：2021-09-10

Applicant: Apple Inc.

Inventor： John T. Wetherell ,  Cheuk Chi Lo ,  Chun-Yao Huang ,  Lingtao Wang ,  Derek Keith Shaeffer ,  Henry C. Jen ,  Hasan Akyol ,  Xuebei Yang ,  Chung-Lun Edwin Hsu ,  Patrick Bryce Bennett ,  Chun-Ming Tang ,  Yingkan Lin ,  Sheng Zhang ,  Chaohao Wang ,  Runjie Xu ,  Shingo Hatanaka

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0452 ,  G09G2320/0233 ,  G09G2320/0693 ,  G09G2330/10 ,  G09G2360/145

Abstract: Systems and methods may reduce or eliminate image artifacts due to a defective pixel of an electronic display. An electronic display may include pixels that respectively include a self-emissive element, pixel drive circuitry that supplies a pixel drive current to drive the self-emissive element, and signal routing circuitry that reduces or eliminates a visual artifact due to a defective pixel among the pixels. The signal routing circuitry may do this by turning off the self-emissive element, supplying image data from the pixel drive circuitry to a first adjacent pixel, or receiving image data from other pixel drive circuitry from the first adjacent pixel or a second adjacent pixel.

公开(公告)号：US11962742B1

公开(公告)日：2024-04-16

申请号：US17348281

申请日：2021-06-15

Applicant: Apple Inc.

Inventor： Sheng Zhang ,  Chaohao Wang ,  Felipe Bacim De Araujo E Silva ,  Karol E. Czaradzki ,  Pavel V. Dudrenov ,  Yi-Pai Huang ,  Yue Ma

IPC: G09G3/20 ,  G06T5/20 ,  G06T5/92 ,  G06T11/40 ,  H04N13/133 ,  H04N13/15 ,  H04N13/305

CPC classification number: H04N13/133 ,  G06T5/20 ,  G06T5/92 ,  G06T11/40 ,  G09G3/2044 ,  H04N13/15 ,  H04N13/305 ,  G09G2320/0242 ,  G09G2320/0276 ,  G09G2320/046 ,  G09G2360/141 ,  G09G2360/144

Abstract: An electronic device may include a lenticular display. The lenticular display may have a lenticular lens film formed over an array of pixels. The display may have a number of independently controllable viewing zones. Each viewing zone displays a respective two-dimensional image. Each eye of the viewer may receive a different one of the two-dimensional images, resulting in a perceived three-dimensional image. The electronic device may include display pipeline circuitry that generates and processes content to be displayed on the lenticular display. Content generating circuitry may initially generate content that includes a plurality of two-dimensional images, each two-dimensional image corresponding to a respective viewing zone. The two-dimensional images may be processed by per-view processing circuitry. Pixel mapping circuitry may be used to map the two-dimensional images to the array of pixels in the lenticular display. After pixel mapping, additional panel-level processing may be performed.

公开(公告)号：US20240112628A1

公开(公告)日：2024-04-04

申请号：US18540602

申请日：2023-12-14

Applicant: Apple Inc.

Inventor： Yunhui Hou ,  Yi-Pai Huang ,  Fu-Chung Huang ,  Sheng Zhang ,  Chaohao Wang ,  Ping-Yen Chou ,  Yi Huang ,  Juan He ,  Alfred B. Huergo Wagner ,  Seung Wook Kim

IPC: G09G3/3208

CPC classification number: G09G3/3208 ,  G09G2320/0209 ,  G09G2320/0626

Abstract: An electronic device may include a lenticular display. The lenticular display may have a lenticular lens film formed over an array of pixels. A plurality of lenticular lenses may extend across the length of the display. The lenticular lenses may be configured to enable stereoscopic viewing of the display such that a viewer perceives three-dimensional images. The display may have a number of independently controllable viewing zones. The viewer may be particularly susceptible to artifacts caused by crosstalk at the edge viewing zones within the primary field of view of the display. Certain types of content may also be more vulnerable to crosstalk than other types of content. Therefore, to mitigate crosstalk artifacts, the pixel value for each pixel may be adjusted based on the viewing zone of the respective pixel and content information (such as texture information or brightness information) associated with the respective pixel.

公开(公告)号：US11908376B1

公开(公告)日：2024-02-20

申请号：US17710133

申请日：2022-03-31

Applicant: Apple Inc.

Inventor： Lingtao Wang ,  Giovanni Carbone ,  Chaohao Wang ,  Enkhamgalan Dorjgotov ,  Sheng Zhang ,  Jim C Chou ,  Shereef Shehata ,  Yung-Chin Chen

IPC: G09G5/10 ,  G09G5/06 ,  G09G3/3233 ,  G09G3/20

CPC classification number: G09G3/2092 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0276

Abstract: A compensation system includes a processor configured to determine compensated data for display on a sub-pixel of the display device. The processor may receive image data configured to be displayed on the sub-pixel, convert the gray level data to first voltage data; fetch, from a memory, compressed 1×1 sub-pixel uniformity compensation data for the sub-pixel, and decompress the compressed 1×1 sub-pixel uniformity compensation data via a decompressor. The decompressed data comprises the 1×1 sub-pixel uniformity compensation data for the sub-pixel. The processor may also determine a voltage compensation offset value associated with the sub-pixel based on the second voltage data, generate compensated voltage data based in part on the voltage compensation offset value and the first voltage data, convert the compensated voltage data to compensated gray level data; and transmit the compensated gray level data to pixel driving circuitry associated with the sub-pixel.

公开(公告)号：US11823620B1

公开(公告)日：2023-11-21

申请号：US17368548

申请日：2021-07-06

Applicant: Apple Inc.

Inventor： Lingtao Wang ,  Yingying Tang ,  Scott R. Johnston ,  Chaohao Wang ,  Sheng Zhang ,  Woo Shik Jung

IPC: G09G3/3225

CPC classification number: G09G3/3225 ,  G09G2300/0443 ,  G09G2320/0233 ,  G09G2320/0673 ,  G09G2360/144

Abstract: An electronic device may include a display and an optical sensor formed underneath the display. The electronic device may include a plurality of transparent windows that overlap the optical sensor. The resolution of the display panel may be reduced in some areas due to the presence of the transparent windows. To prevent a visible border between the reduced resolution areas of the display and full resolution areas of the display, uniformity compensation circuitry may be used to compensate pixel data. The uniformity compensation circuitry may output compensated pixel data for the display using one or more compensation maps that include compensation factors associated with pixel locations. The uniformity compensation circuitry may also use region-specific gamma look-up tables to apply different gamma curves to pixels in different regions of the display. The uniformity compensation circuitry may also be used to form a transition region between different regions of the display.