公开(公告)号：US20180083648A1

公开(公告)日：2018-03-22

申请号：US15697233

申请日：2017-09-06

Applicant: Apple Inc.

Inventor： Baris Cagdaser ,  Derek K. Shaeffer ,  Hopil Bae ,  Jesse Aaron Richmond ,  Jie Won Ryu ,  Kingsuk Brahma ,  Mohammad B. Vahid Far ,  Shingo Hatanaka ,  Yafei Bi ,  Yuichi Okuda

IPC: H03M1/78 ,  H03M1/76 ,  H03M1/74 ,  H03M1/68

CPC classification number: H03M1/785 ,  G09G2320/0276 ,  H03M1/682 ,  H03M1/747 ,  H03M1/765

Abstract: A device includes a resistor string that includes a plurality resistors with voltage taps disposed therebetween. The device may select one particular voltage tap of the plurality of voltage taps based on received gray level data for a pixel of a display. The device also includes a first amplifier that may be coupled to a first terminal end of the resistor string. The device additionally includes a second amplifier that may be coupled to a second terminal end of the resistor string, wherein the plurality of voltage taps may each supply a tap voltage derived from a voltage between the first amplifier and the second amplifier, wherein any tap amplifier of the device coupled to a voltage tap of the plurality of voltage taps provides a reference voltage thereto.

公开(公告)号：US09773446B2

公开(公告)日：2017-09-26

申请号：US14106384

申请日：2013-12-13

Applicant: APPLE INC.

Inventor： Wei H. Yao ,  Yafei Bi ,  Ahmad Al-Dahle

IPC: G09G5/02 ,  G09G3/3208 ,  G09G5/00

CPC classification number: G09G3/3208 ,  G09G5/003 ,  G09G2300/0861 ,  G09G2360/144

Abstract: An electronic display includes a display panel, which includes an array of pixels and a driver configured to activate and deactivate the emission of light from each of the pixels in the array. The electronic display also includes a panel driver configured to generate and transmit an emission interrupt signal to the driver, wherein the emission interrupt signal causes the driver to deactivate the emission of light from all pixels in the array for a set period of time prior to a refresh of a line of pixels in the array.

公开(公告)号：US09747840B2

公开(公告)日：2017-08-29

申请号：US15167549

申请日：2016-05-27

Applicant: Apple Inc.

Inventor： Yafei Bi ,  Wei H. Yao

IPC: G09G3/32 ,  G09G3/3258 ,  G09G3/3275 ,  G09G3/3233

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3275 ,  G09G2300/0828 ,  G09G2300/0861 ,  G09G2310/027 ,  G09G2320/029 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/0606 ,  G09G2320/0626 ,  G09G2320/0673 ,  G09G2320/0693 ,  G09G2330/021 ,  G09G2330/12 ,  G09G2354/00 ,  G09G2360/144 ,  G09G2360/16

Abstract: A display may have an array of display pixels to display images. Digital display data may be received by a digital-to-analog converter. The digital-to-analog converter can convert the digital display data to analog display data for the display pixels. The magnitudes of the analog display data signals that the digital-to-analog converter provides to the display pixels can be controlled by a control signal such as a reference voltage received by the digital-to-analog converter. A brightness controller may have multiple peak luminance control profiles. A brightness setting may be processed by a look-up table to produce information identifying a selected one of the peak luminance control profiles. The brightness controller may use the selected peak luminance control profile and average frame luminance for the digital display data to produce the reference voltage that controls the digital-to-analog controller.

公开(公告)号：US20170053599A1

公开(公告)日：2017-02-23

申请号：US14975389

申请日：2015-12-18

Applicant: Apple Inc.

Inventor： Chin-Wei Lin ,  Vasudha Gupta ,  Yafei Bi

IPC: G09G3/3283 ,  G09G3/3258 ,  G09G3/20 ,  G09G3/3266

CPC classification number: G09G3/3283 ,  G09G3/2048 ,  G09G3/3225 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3291 ,  G09G3/3614 ,  G09G3/3688 ,  G09G2300/0819 ,  G09G2300/0876 ,  G09G2310/0254 ,  G09G2310/0291 ,  G09G2320/0204 ,  G09G2320/0233 ,  G09G2320/0247 ,  H03F2200/375

Abstract: Systems and method for improving display quality of an electronic display. In one embodiment the electronic display includes a first display pixel that facilitates displaying a first image frame using first amplified image data and facilitates displaying a second image frame using second amplified image data; a second display pixel that facilitates displaying the first image frame using third amplified image data; a first amplifier that operates in a first operational mode to generate the first amplified image data based on image data corresponding with the first image frame and operates in a second operational mode to generate the second amplified image data based on image data corresponding with the second image frame; and a second amplifier that operates in the second operational mode to generate the third amplified image data based on the image data corresponding with the first image frame.

Abstract translation: 用于提高电子显示器的显示质量的系统和方法。 在一个实施例中，电子显示器包括第一显示像素，其便于使用第一放大图像数据显示第一图像帧，并且有助于使用第二放大图像数据显示第二图像帧; 使用第三放大图像数据便于显示第一图像帧的第二显示像素; 第一放大器，其以第一操作模式操作，以基于与第一图像帧相对应的图像数据生成第一放大图像数据，并且以第二操作模式操作，以基于与第二图像对应的图像数据生成第二放大图像数据 帧; 以及第二放大器，其以第二操作模式操作，以基于与第一图像帧对应的图像数据生成第三放大图像数据。

公开(公告)号：US20160275865A1

公开(公告)日：2016-09-22

申请号：US15167549

申请日：2016-05-27

Applicant: Apple Inc.

Inventor： Yafei Bi ,  Wei H. Yao

IPC: G09G3/3258

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3275 ,  G09G2300/0828 ,  G09G2300/0861 ,  G09G2310/027 ,  G09G2320/029 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/0606 ,  G09G2320/0626 ,  G09G2320/0673 ,  G09G2320/0693 ,  G09G2330/021 ,  G09G2330/12 ,  G09G2354/00 ,  G09G2360/144 ,  G09G2360/16

Abstract: A display may have an array of display pixels to display images. Digital display data may be received by a digital-to-analog converter. The digital-to-analog converter can convert the digital display data to analog display data for the display pixels. The magnitudes of the analog display data signals that the digital-to-analog converter provides to the display pixels can be controlled by a control signal such as a reference voltage received by the digital-to-analog converter. A brightness controller may have multiple peak luminance control profiles. A brightness setting may be processed by a look-up table to produce information identifying a selected one of the peak luminance control profiles. The brightness controller may use the selected peak luminance control profile and average frame luminance for the digital display data to produce the reference voltage that controls the digital-to-analog controller.

公开(公告)号：US20160224172A1

公开(公告)日：2016-08-04

申请号：US14847404

申请日：2015-09-08

Applicant: Apple Inc.

Inventor： Christoph H. Krah ,  Yafei Bi ,  Kevin J. White

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/041 ,  G06F3/0412 ,  G06F3/044

Abstract: The disclosed embodiments relate to a system that provides power for a touch-enabled display, wherein the touch-enabled display cycles between a display mode and a touch mode. During the display mode, the system drives a display-mode voltage to the touch-enabled display through a power output, wherein the power output is coupled through a display-mode capacitor CD to ground. Next, during a transition from the display mode to the touch mode, the system couples the power output through a touch-mode capacitor CT to ground, wherein CT was previously charged to a touch-mode voltage, which causes the power output to rapidly transition to the touch-mode voltage. Then, during the touch mode, the system drives the touch-mode voltage through the power output.

Abstract translation: 所公开的实施例涉及为触摸显示提供电力的系统，其中触摸启用显示在显示模式和触摸模式之间循环。 在显示模式期间，系统通过功率输出将显示模式电压驱动到具有触摸功能的显示器，其中功率输出通过显示模式电容器CD耦合到地。 接下来，在从显示模式到触摸模式的转变期间，系统通过触摸模式电容器CT将功率输出耦合到地，其中CT预先被充电到触摸模式电压，这导致功率输出快速转变 到触摸模式电压。 然后，在触摸模式下，系统通过电源输出驱动触摸模式电压。

公开(公告)号：US09201549B2

公开(公告)日：2015-12-01

申请号：US13679793

申请日：2012-11-16

Applicant: APPLE INC.

Inventor： Ahmad Al-Dahle ,  Yafei Bi ,  Mir B. Ghaderi

IPC: G09G3/36 ,  G06F3/044 ,  G06F3/041

CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F3/0416 ,  G09G3/36

Abstract: Systems and methods for monitoring internal resistance of a display may include supplying the display via a capacitor with a first voltage and a second voltage configured to enable the display to receive touch inputs and display image data, respectively. The method may discharge the capacitor at least three times via a first resistor, a second resistor, and the first resistor and second resistor coupled in parallel with each other. The method may monitor three discharge waveforms that corresponds to when the capacitor discharges from the first voltage to the second voltage via the first resistor, the second resistor, and the first resistor and second resistor coupled in parallel with each other. Based at least in part on the discharge waveforms, the method may determine a chip on glass resistance value and a flex on glass resistance value that correspond to an internal resistance of the display.

Abstract translation: 用于监视显示器的内部电阻的系统和方法可以包括经由电容器向显示器提供第一电压和第二电压，第二电压被配置为使得显示器能够分别接收触摸输入和显示图像数据。 该方法可以经由第一电阻器，第二电阻器以及彼此并联耦合的第一电阻器和第二电阻器至少三次放电电容器。 该方法可以监视对应于电容器通过第一电阻器，第二电阻器以及第一电阻器和第二电阻器彼此并联耦合而从第一电压放电到第二电压的三个放电波形。 至少部分地基于放电波形，该方法可以确定对应于显示器的内部电阻的玻璃电阻值的芯片和玻璃电阻值的弯曲。

公开(公告)号：US09190011B2

公开(公告)日：2015-11-17

申请号：US13654242

申请日：2012-10-17

Applicant: APPLE INC.

Inventor： Ahmad Al-Dahle ,  Hopil Bae ,  Sang Y. Youn ,  Yafei Bi ,  Wei H. Yao ,  David A. Stronks

IPC: G09G5/00 ,  G09G3/20

CPC classification number: G09G5/003 ,  G09G3/2092 ,  G09G2330/027 ,  G09G2330/06

Abstract: Methods and devices employing mura prevention circuitry, are provided. In one example, a method may include supplying a first voltage pathway between a common electrode driver and a common electrode of an electronic display device and supplying a second voltage pathway between the common electrode driver and ground. Mura prevention circuitry may be supplied that activates the first voltage pathway when the electronic display device is turned on and an activation gate signal is provided from a gate corresponding to the common electrode driver. Further, the mura prevention circuitry may activate the second voltage pathway when the electronic display device is turned off or no activation gate signal is provided from the gate corresponding to the common electrode driver.

Abstract translation: 提供了采用mura预防电路的方法和装置。 在一个示例中，方法可以包括在公共电极驱动器和电子显示装置的公共电极之间提供第一电压路径，并且在公共电极驱动器和地之间提供第二电压路径。 可以提供Mura防止电路，其在电子显示装置接通时激活第一电压通路，并且从对应于公共电极驱动器的门提供激活门信号。 此外，当电子显示装置关闭或从对应于公共电极驱动器的门提供激活栅极信号时，防护电路可以激活第二电压路径。

公开(公告)号：US20150123955A1

公开(公告)日：2015-05-07

申请号：US14329197

申请日：2014-07-11

Applicant: Apple Inc.

Inventor： Yafei Bi ,  Wei H. Yao

IPC: G09G3/32

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3275 ,  G09G2300/0828 ,  G09G2300/0861 ,  G09G2310/027 ,  G09G2320/029 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/0606 ,  G09G2320/0626 ,  G09G2320/0673 ,  G09G2320/0693 ,  G09G2330/021 ,  G09G2330/12 ,  G09G2354/00 ,  G09G2360/144 ,  G09G2360/16

Abstract: A display may have an array of display pixels to display images. Digital display data may be received by a digital-to-analog converter. The digital-to-analog converter can convert the digital display data to analog display data for the display pixels. The magnitudes of the analog display data signals that the digital-to-analog converter provides to the display pixels can be controlled by a control signal such as a reference voltage received by the digital-to-analog converter. A brightness controller may have multiple peak luminance control profiles. A brightness setting may be processed by a look-up table to produce information identifying a selected one of the peak luminance control profiles. The brightness controller may use the selected peak luminance control profile and average frame luminance for the digital display data to produce the reference voltage that controls the digital-to-analog controller.

Abstract translation: 显示器可以具有显示图像的显示像素阵列。 数字显示数据可以由数模转换器接收。 数模转换器可将数字显示数据转换为显示像素的模拟显示数据。 数模转换器提供给显示像素的模拟显示数据信号的幅度可以通过诸如由数模转换器接收的参考电压的控制信号来控制。 亮度控制器可以具有多个峰值亮度控制简档。 亮度设置可以由查找表处理，以产生标识所选择的一个峰值亮度控制简档的信息。 亮度控制器可以使用所选择的峰值亮度控制曲线和数字显示数据的平均帧亮度来产生控制数模转换器的参考电压。

公开(公告)号：US20130328799A1

公开(公告)日：2013-12-12

申请号：US13738712

申请日：2013-01-10

Applicant: APPLE INC.

Inventor： Yafei Bi ,  Thomas J. Wilson ,  Wei H. Yao ,  Hopil Bae

IPC: G06F3/041

CPC classification number: G06F3/041 ,  G09G3/3611 ,  G09G5/003 ,  G09G5/18 ,  G09G2320/0693 ,  Y10T29/49002

Abstract: A system, method, and device for increasing uniformity between displays incorporating components from different manufacturers. Incorporating components from different manufactures in different displays may cause the different displays to appear differently even under similar conditions. By modifying the operating parameters used to drive the display according to performance characteristics for various conditions, displays incorporating components from different manufacturers may be configured to produce a substantially similar picture under similar conditions. The various conditions may include stimulus information, such as temperature or touch activity.

Abstract translation: 一种用于增加不同制造商的组件的显示器之间的均匀性的系统，方法和装置。 将不同制造商的组件并入不同的显示器可能会导致不同的显示器在不同的条件下显示不同。 通过根据各种条件的性能特性修改用于驱动显示器的操作参数，结合来自不同制造商的部件的显示器可被配置为在类似的条件下产生基本相似的图像。 各种条件可以包括刺激信息，例如温度或触摸活动。