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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(shuō)明書

Continuing on with the transmission path of the MTCH bit, FIG. 31 depicts pixel circuitry 780 that may be used in conjunction with the smart buffer circuitry of FIG. 30. The pixel circuitry 780 includes an input latch 782 (e.g., inverter pair) and an output latch 784 (e.g., inverter pair) that are both operated to latch digital data transmitted from a smart buffer, for example the smart buffer 712, in response to a write enabled (write_en) control signal 786. Upon latching, the digital data may be automatically transmitted to a gate of a driving transistor 788. Similar to previously discussed, the driving transistor 788 is activated in response to the digital data, depending on the value of the digital data, and causes a driving current to transmit through light-emitting circuitry, for example, a light-emitting diode 790, of the pixel circuitry 780.

權(quán)利要求

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