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Systems and methods for memory circuitry in an electronic display

專利號(hào)
US10867548B2
公開(kāi)日期
2020-12-15
申請(qǐng)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(shù)領(lǐng)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(shuō)明書(shū)

In the pixel array 69, image data 86 is communicated from the column driver 62 to the sub-pixels 72 through a direct communicative coupling, for example, through a communicative coupling 94. In some embodiments, a multiplexing circuit may be used to control transmission of image data 86 to sub-pixels 72 such that a multiplexing control signal is used by the column driver 62 to arbitrate transmission of image data 98 to a sub-pixel 72, for example, where in such arbitration a red sub-pixel 72R may not receive image data 98 at the same time as a blue sub-pixel 72B or a green sub-pixel 72G.

To elaborate, an example embodiment of a display system 52B associated with an electronic display 18 implementing memory-in-pixel including a timing controller 54 linked through communicative link 68 to a row driver 60 and a column driver 62, is shown in FIG. 7. The display system 52B, similar to the display system 52A depicted in FIG. 6, includes a pixel array 69 of L rows by M columns with one or more pixels 70 each having sub-pixels 72, for example, a red sub-pixel 72R, a green sub-pixel 72G, and a blue sub-pixel 72B, where each of the sub-pixels 72 includes a memory 78 to store up to N bits and a driver (DRV) 80 to operate the sub-pixel 72 to emit light, is shown in FIG. 6. It should be appreciated that the depicted display system 52B is merely intended to be illustrative and not limiting. It is noted functions and/or descriptions of the display system 52 that are common to both FIG. 6 and FIG. 7 are relied upon herein.

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