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Displays with Multiple Scanning Modes

A scanning mode, display technology, used in static indicators, cathode ray tube indicators, instruments, etc., can solve problems such as poor display uniformity and low scanning time

Active Publication Date: 2018-03-16
APPLE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The display may have a high resolution and may sometimes need to operate at a high refresh rate, resulting in a low scan time for each row in the display
This can lead to poor display uniformity, and other visible artifacts

Method used

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  • Displays with Multiple Scanning Modes
  • Displays with Multiple Scanning Modes
  • Displays with Multiple Scanning Modes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] figure 1 An exemplary electronic device of the type that may be provided with a display is shown in . Electronic device 10 may be a computing device such as a laptop computer, a computer monitor including an embedded computer, a tablet computer, a cell phone, a media player or other handheld or portable electronic device, a smaller device such as a wrist watch device, pendant devices, headset or earpiece devices, devices embedded in eyeglasses or other devices worn on the user's head, or other wearable or miniature devices), displays, computer displays including embedded computers, excluding Computer monitors of embedded computers, gaming devices, navigation devices, embedded systems such as systems in which the electronic device with the display is installed in a kiosk or car, or other electronic devices. Electronic device 10 may have the shape of a pair of glasses (e.g., a support frame), may form a housing that has the shape of a helmet, or may have components to he...

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PUM

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Abstract

The invention provides 'displays with multiple scanning modes'. An electronic device may include a display such as a light-emitting diode display. The electronic device may be a head-mounted device that provides a virtual reality or augmented reality environment to a user. To reduce artifacts in the display, a display may be operable in both a normal scanning mode and a partial scanning mode. In the normal scanning mode, every row of the display may be enabled to emit light in each frame. In the partial scanning mode, only a subset of the rows of the display may be enabled to emit light in each frame. The display may have a higher refresh rate in the partial scanning mode than in the normal scanning mode. A grid driver circuit can comprise a shift register with multiple register circuits.At least one register circuit can have first input and second input different from the first input.

Description

[0001] This patent application claims priority to U.S. Patent Application No. 15 / 403,070, filed January 10, 2017, and U.S. Provisional Patent Application No. 62 / 385,411, filed September 9, 2016, which are hereby incorporated in their entirety Incorporated herein by reference. Background technique [0002] This document relates generally to displays, and more particularly to displays having multiple scan modes. [0003] Electronic devices often include displays. For example, cellular telephones and portable computers include displays for presenting information to users. An electronic device may have an organic light emitting diode display based on organic light emitting diode pixels, or a liquid crystal display based on liquid crystal pixels. Displays may be incorporated in devices such as virtual reality and augmented reality headsets that are mounted on the user's head. [0004] Designing devices such as these can be challenging. The display may have a high resolution and...

Claims

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Application Information

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IPC IPC(8): G09G3/20G11C19/28
CPCG09G3/20G11C19/28G09G3/3266G09G3/3677G09G2310/0267G09G2310/0286G09G2310/04G09G2340/0414G09G2340/0435G06T19/006G09G3/3291G09G5/18G09G2300/0809
Inventor 张世昌山下圭太郎叶信宏常鼎国A·嘉姆史迪罗德巴里林敬伟
Owner APPLE INC
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