Method and apparatus to reduce display lag of soft keyboard presses

A keyboard and display device technology, applied in the field of data processing equipment, can solve problems such as slow response time and delay between times

Active Publication Date: 2015-01-14
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the system processor also manages other processes of the device (for example, running the device's operating system and many other applications), the response time required to update the appearance of the virtual keyboard can be There may be a noticeable delay between when the user provides visual feedback of a key press

Method used

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  • Method and apparatus to reduce display lag of soft keyboard presses
  • Method and apparatus to reduce display lag of soft keyboard presses
  • Method and apparatus to reduce display lag of soft keyboard presses

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Embodiment Construction

[0046] In the following detailed description, only certain exemplary embodiments of the present invention are shown and described, by way of illustration. As those skilled in the art will realize, the invention may be embodied in many different ways and should not be construed as limited to the embodiments set forth herein. Like numbers refer to like elements throughout the specification.

[0047] figure 1 is a schematic block diagram of a data processing device 100 that accepts user input (eg, user selection) from a virtual keyboard and updates the appearance of the virtual keyboard to provide visual feedback to the user, according to an exemplary embodiment of the present invention.

[0048] According to the present embodiment, the data processing device 100 includes a touch sensor 101 , a touch controller 102 , an application processor (AP) 104 , a display driver (also called a timing controller) 112 , a display unit 114 and an accelerator 120 . In an embodiment of the pr...

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Abstract

A method of indicating a selected at least one of keys on a keyboard of a display device, the keyboard having a layout including a plurality of keys, the method including identifying the selected at least one of the keys based on a location of the selected at least one of the keys on the keyboard of the display device, updating a rendered video frame with a stored image of the selected at least one of the keys to generate an updated video frame indicating the selection of the at least one of the keys for displaying by the display device, the stored image of the selected at least one of the keys corresponding to the selected at least one of the keys, and while another video frame indicating the selection of the at least one of the keys is being rendered, displaying the updated video frame by the display device.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to and the benefit of U.S. Patent Application No. 61 / 843,890, filed July 8, 2013, and U.S. Patent Application No. 14 / 303,457, filed June 12, 2014, the entire contents of which are incorporated herein by reference . technical field [0003] Embodiments of the invention relate to a data processing device for displaying a virtual keyboard. Background technique [0004] In recent years, with the increased popularity of personal mobile devices such as mobile phones, tablet computers, laptop computers, etc., touch screen devices have become commonplace. In addition to portable devices, touchscreens are also used in industries such as automobiles and in locations such as information kiosks, where keyboard and mouse systems do not allow users to quickly, intuitively or accurately interact with the contents of the display. [0005] Touch screen displays recognize user input, for example, by se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041
CPCG09G2380/00G09G2340/10G09G2320/0252G06F3/147G06F3/14G09G5/363G09G2340/12G06F3/04886G09G2354/00
Inventor 熊炜司徒卓雄
Owner SAMSUNG DISPLAY CO LTD
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