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Systems and methods for memory circuitry in an electronic display

專利號
US10867548B2
公開日期
2020-12-15
申請人
Apple Inc.（US CA Cupertino）
發(fā)明人
Tien-Chien Kuo; Kanghoon Jeon; Yingkan Lin; Bilin Wang; Ivan Knez; Stanley Bo-Ting Wang; Chun-Yao Huang
IPC分類
G09G3/32; G09G3/36; G09G3/20; G09G3/3275; G09G3/3258
技術領域
pixel,driver,emission,bit,circuitry,data,sub,row,memory,image
地域： CA CA Cupertino

摘要

An electronic display may include a memory formed in an active area of the electronic display or formed in integrated circuitry of the electronic display that is outside of the active area. The memory may store a digital data signal indicative of a value within a data range. The electronic display may include a driver disposed in the active area, where the driver may generate one or more analog electrical signals in response to the digital data signal. The electronic display may also include a light-modulating device disposed on the active area, where the light-modulating device may emit light based at least in part on the one or more analog electrical signals.

說明書

To illustrate, a second embodiment of the sub-pixel 72 having a hybrid drive including a current drive 270 and a voltage drive 272 and having a memory 78 is shown in FIG. 13. It should be appreciated that the depicted sub-pixel 72 is intended to be illustrative and not limiting. For example, the current drive 270 and the voltage drive 272 are shown as separate elements in the sub-pixel 72 but one or both of the drives may be included in the driver 80 described earlier.

A row driver 60 and/or a column driver 62 may operate the sub-pixel 72 to emit light by enabling and/or disabling control signals. The row driver 60 and/or the column driver 62 may use the control signals to perform various processes to cause the sub-pixel 72 to emit light, including an initialization process, a charging process, a programming process, and an emission process for the sub-pixel 72 to enable display of the image data corresponding to an image to be displayed.

權利要求

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