Display device

By introducing multiple wiring and circuits into the display device, using capacitive coupling technology and an optimized transistor structure, the challenges of improving image quality, providing higher voltages, increasing frame frequency and reducing power consumption in the prior art are solved, and a higher performance display effect is achieved.

CN115202115BActive Publication Date: 2025-03-28SEMICON ENERGY LAB CO LTD
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Patent Information

Application Number
CN202210844141.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2018-02-08
Filing Date
2019-01-22
Publication Date
2025-03-28
Estimated Expiration
2039-01-22

AI Technical Summary

Technical Problem

Existing display devices have challenges in improving image quality, providing higher voltages to display elements, increasing frame frequency and reducing power consumption.

Method used

By introducing multiple wiring and circuits into the display device, allowing pixels to write and hold data at different times, supplying higher data potentials to the display element using capacitive coupling technology, and increasing frame frequency and reducing power consumption by optimizing transistor structure and driving methods.

Benefits of technology

Higher image quality, higher display brightness, higher frame frequency and lower power consumption are achieved, improving the overall performance of the display device.

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Abstract

The present invention provides a display device capable of improving image quality. The display device includes a first circuit, a pixel, and a wiring. The first circuit has a function of supplying data to the wiring and a function of making the wiring float and retaining the data. The pixel has a function of obtaining data from the wiring twice and performing an addition operation, and can write data for the first time during the period when the wiring is supplied with data and write data for the second time during the period when the wiring retains the data. Thus, by charging the source line once with data, a data potential higher than the output voltage of the source driver can be supplied to the display element.
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