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Displays with silicon and semiconducting oxide thin-film transistors

A technology of oxide thin film and liquid crystal display, which can be applied to the field on the substrate, and can solve the problems of excessive leakage current, non-uniformity, poor area efficiency, etc.

Active Publication Date: 2016-03-16
APPLE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] If care is not taken, the thin film transistor circuitry in the display pixels and the display driver circuitry of the display can exhibit uneven excessive leakage current, insufficient drive strength, poor area efficiency, magnetic hysteresis, and other problems

Method used

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  • Displays with silicon and semiconducting oxide thin-film transistors
  • Displays with silicon and semiconducting oxide thin-film transistors
  • Displays with silicon and semiconducting oxide thin-film transistors

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Embodiment Construction

[0029] Displays in electronic devices may have driver circuits for displaying images on an array of display pixels. exist figure 1 An example display is shown in . Such as figure 1 As shown, display 14 may have one or more layers such as substrate 24 . A layer such as substrate 24 may be formed from a planar rectangular layer of material such as a planar glass layer. Display 14 may have an array of display pixels 22 for displaying images to a user. The array of display pixels 22 may be formed from rows and columns of display pixel structures on a substrate 24 . There may be any suitable number of rows and columns in the array of display pixels 22 (eg, ten or more, one hundred or more, or one thousand or more).

[0030] Solder or a conductive adhesive may be used to couple display driver circuitry such as display driver integrated circuit 16 to conductive paths such as metal traces on substrate 24 . Display driver integrated circuit 16 (sometimes referred to as a timing c...

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Abstract

An electronic device may include a display having an array of display pixels on a substrate. The display pixels may be organic light-emitting diode display pixels or display pixels in a liquid crystal display. In an organic light-emitting diode display, hybrid thin-film transistor structures may be formed that include semiconducting oxide thin-film transistors, silicon thin-film transistors, and capacitor structures. The capacitor structures may overlap the semiconducting oxide thin-film transistors. Organic light-emitting diode display pixels may have combinations of oxide and silicon transistors. In a liquid crystal display, display driver circuitry may include silicon thin-film transistor circuitry and display pixels may be based on oxide thin-film transistors. A single layer or two different layers of gate metal may be used in forming silicon transistor gates and oxide transistor gates. A silicon transistor may have a gate that overlaps a floating gate structure.

Description

[0001] This patent application claims a continuation-in-part of U.S. Patent Application 14 / 249,716, filed April 10, 2014, U.S. Patent Application 14,228,098, filed March 27, 2014, U.S. Patent Application 14 / 2014, filed March 28, 2014 229,232, the priority of U.S. Patent Application 14 / 228,070, filed March 27, 2014, and Provisional Patent Application 61 / 869,937, filed August 26, 2013, which are hereby incorporated by reference in their entirety. Background technique [0002] The present invention relates generally to electronic devices, and more particularly to electronic devices having displays with thin film transistors. [0003] Electronic devices often include displays. For example, cellular telephones and portable computers include displays for presenting information to users. [0004] Displays such as liquid crystal displays are formed from multiple layers. For example, a liquid crystal display may have upper and lower polarizer layers, a color filter layer comprising a...

Claims

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Application Information

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IPC IPC(8): G02F1/1368H01L27/32G09F9/00H01L29/786
CPCG02F2202/104H01L27/1222H01L27/1251H01L27/1255H01L27/1225G02F1/13624G02F1/1368G02F1/13685H10K59/126H10K59/1213H10K59/00G02F1/13454G02F1/13452H01L29/7869
Inventor 张世昌洪铭钦余承和常鼎国A·嘉姆史迪罗德巴里林上智金景旭黄俊尧李思贤陈右铮大泽裕史朴英培V·古普塔林敬伟崔宰源蔡宗廷
Owner APPLE INC
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