Patent
Display device, method for driving display device, and electronic equipment
Kohji Saitoh,Akizumi Fujioka,Masami Ozaki,Toshihiro Yanagi +3 more
- 06 Apr 2012
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TL;DR: In this paper, a display device, a method for driving the display device; and electronic equipment, each enabling a detection device to perform detection with a frequency higher than a refresh frequency of the display devices and with improved accuracy are provided.
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Abstract: A display device; a method for driving the display device; and electronic equipment, each enabling a detection device to perform detection with a frequency higher than a refresh frequency of the display device and with improved accuracy are provided. The display device has a screen including pixels and repeatedly alternates between a scanning frame during which the pixels are scanned to be sequentially brought into a selected state and a pause frame during which the pixels are not scanned, and includes a detection instructing circuit configured to output detection operation control signals corresponding to touch panel detection periods to the detection device in at least one pause frame. The detection instruction signal instructs the detection device to detect at least one of detection targets which are input by touching or approaching the screen and a radio wave coming from outside the display device.
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Citations
Patent
Organic light emitting display device and driving method thereof
Wook Lee
- 03 May 2013
TL;DR: A driving method of an organic light emitting display device includes: classifying a plurality of luminance steps into at least a low and a high luminance sections; and setting a reference luminance at a predefined level during the low luminance section and adjusting an off duty according to predetermined criteria for each step in the low-luminance section as discussed by the authors.
243
Patent
Display device and method for driving same
Masanori Ohara,Noboru Noguchi,Noritaka Kishi +2 more
- 30 Apr 2013
TL;DR: In this paper, a display device including a display panel and repeating a scanning period during which the display panel is scanned and a pause period between scanning and non-scanned periods is considered.
199
Patent
Concurrently refreshing multiple areas of a display device using multiple different refresh rates
Wang Chaohao,Szu-Hsien Lee,Paolo Sacchetto,Shih Chang Chang,Chun-Yao Huang,Paul S. Drzaic +5 more
- 02 Dec 2014
TL;DR: In this paper, the authors present a method and apparatus for refreshing a display device at various frequencies. And they demonstrate the energy consumption of the display device and subsystems associated with it.
23
Patent
Adaptive touch panel synchronization
Magnus Johansson,Magnus Midholt,Olivier Moliner,Alexander Hunt +3 more
- 17 Nov 2014
TL;DR: In this article, the authors compare the timing of the touch event and the refresh time of the display refresh event and calculate a time value that indicates when the next scan occurs based on a determination to adjust the time.
16
Patent
Display driver circuitry with balanced stress
Keitaro Yamashita,Ting-Kuo Chang +1 more
- 20 Nov 2014
TL;DR: In this paper, a gate driver circuit may include multiple gate line driver segments each of which is activated by a separate gate start pulse is that received through a demultiplexing circuit.
14
References
Patent
Display device, method of driving same and electronic device mounting same
Kazuhiko Tsuda,Masahiro Shimizu,Hisakazu Nakamura,Kouji Kumada,Takashige Ohta +4 more
- 11 Sep 2007
TL;DR: In this paper, a liquid crystal panel is driven at a rewriting frequency of a screen of not more than 30 Hz to achieve a low consumption power while maintaining a desirable display quality.
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Patent
Display device having optical sensors
Akizumi Fujioka,Akinori Kubota +1 more
- 17 Dec 2008
TL;DR: In this paper, a display device that has a plurality of optical sensors provided in a display panel and that can be operated by touching a screen with a finger or pen is presented.
120
Patent
Touch sensitive display device and driving apparatus and method thereof
Joo-hyung Lee,Kee-han Uh,Jong-Woung Park +2 more
- 21 Sep 2006
TL;DR: In this paper, a display device includes hardwired logic units for detecting the touch, it detects the touch using the hard wired logic units in the power saving mode and converts the operation mode to the normal mode when the touch is detected, thus reducing power consumption.
94
Patent
Driving method for display device and display device using the same and portable equipment
Yutaka Kamezaki,Hisakazu Nakamura,Takashige Ota,Masahiro Shimizu,Kazuhiko Tsuda,久和 中村,豊 亀崎,隆滋 太田,和彦 津田,雅宏 清水 +9 more
- 28 Apr 2000
TL;DR: In this paper, the authors propose a driving method of a matrix type display device, with which a sufficient reduction of power consumption can be easily attained in a state that the device satisfies fundamental display quality such as brightness, contrast, a response speed and gradient property.
87
Patent
Display apparatus and driving method of same
Kyoushi Tanaka,Hisashi Nagata +1 more
- 08 Jan 2002
TL;DR: In this paper, a method of driving a display apparatus including a screen which has pixels arranged in a matrix applies a scanning signal to scanning signal lines connected to the pixels and thus selects each line to scan the screen and also supplies a data signal to those pixels on the selected line via data signal lines, so as to produce a display.
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