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Systems and methods for memory circuitry in an electronic display

專利號(hào)
US10867548B2
公開日期
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.

說明書

As will be appreciated, the CSimage.data signal 247 may be binary and/or digital data representative of image data used to operate the sub-pixel 72 to emit at a particular gray level to convey an image (e.g., the second image). As discussed earlier, the sub-pixel 72 may operate according to a variety of emission schemes, and as such, the CSimage.data signal 247 transmitted to the MS 226 may vary between embodiments. However, across the embodiments, the CSimage.data signal 247 is derived from an image to be displayed on the display. Furthermore, the enabling and/or disabling of the CSimage.data signal 247 at least in part causes the LED 230 to emit light or to not emit light, and thus enables the CSimage.data signal 247 to modulate the emission of light from the sub-pixel 72.

Upon a completion of the emission process, the row driver 60 may disable the CSselect signal 241 and enable the CSreset signal 235, causing the deactivation of the MSEL 224 and the activation of the MRST 228. Upon the MSEL 224 deactivating, the sub-pixel 72 may no longer operate to emit light because the capacitor 232 is no longer receiving a charge and because residual signals from the emission process are drained permitted by the enabling of the MRST 228.

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