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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)

Returning to FIG. 13, in response to the enabled CSauto.zero signal 237, the MAZ 234 activates. When the MAZ 234 activates, an electrical coupling is formed between the node of the capacitor 232 and a source node of the MS 226, such that a voltage value of the source node of the MS 226 increases to equal the voltage value of Vg 245. After the time period 286, the row driver 60 disables the CSauto.zero signal 237 and the MAZ 234 deactivates. At this state, the sub-pixel 72 is programmed with electrical signals ready to transmit to the LED 230 upon activation of the MS 226. That is, at this state, the sub-pixel 72 is ready to transmit a driving current created through the programmed signals in response to CSimage.data signal 247 enabling the MS 226. Once the source node of the MS 226 is programmed with the Vg 245 voltage, the row driver 60 transmits a Vdata signal 242 equal to GND and, at the end of the time period 284, disables the CSselect signal 241 causing the MSEL 224 to deactivate. Upon the completion of the programming process, the row driver 60 may enable and/or disable control signals to perform an emission process.

權(quán)利要求

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