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Active matrix circuit substrate, display device, driving method thereof, and electronic equipment

A circuit substrate and active matrix technology, applied in the field of active matrix circuit substrates, can solve problems such as delay

Active Publication Date: 2022-04-19
E INK CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the switching of the display, the time is delayed by the amount including the period when the potential difference is 0

Method used

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  • Active matrix circuit substrate, display device, driving method thereof, and electronic equipment
  • Active matrix circuit substrate, display device, driving method thereof, and electronic equipment
  • Active matrix circuit substrate, display device, driving method thereof, and electronic equipment

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0058] display device

[0059] First, a first embodiment of the present invention will be described.

[0060] figure 1It is a cross-sectional view showing an electrophoretic display device to which the first embodiment of the display device of the present invention is applied. In addition, in the following description, for the convenience of description, the figure 1 In the description, the upper side is described as "up", and the lower side is described as "down". In addition, if figure 1 As shown, two directions perpendicular to each other in the display surface of the electrophoretic display device 1 are referred to as "X-axis direction" and "Y-axis direction", and the direction orthogonal to these two directions is referred to as "Z-axis direction". direction".

[0061] figure 1 The shown electrophoretic display device 1 is a display device that displays a desired image by utilizing the migration of particles. This electrophoretic display device 1 includes a bas...

no. 2 approach

[0159] Next, a second embodiment of the present invention will be described.

[0160] Figure 5 It is a block diagram showing a second embodiment of the active matrix circuit board of the present invention. in addition, Figure 5 is a diagram showing a circuit configuration in one pixel.

[0161] Although the second embodiment will be described below, the following description will focus on the differences from the first embodiment, and the description of the same matters will be omitted. In addition, the same code|symbol is attached|subjected to the same structure as 1st Embodiment mentioned above.

[0162] The active matrix circuit board 100 according to this embodiment is the same as that of the first embodiment except that the first control line 115 ( S1 ) and the second control line 116 ( S2 ) both serve. That is, in Figure 5 , the active matrix circuit substrate 100 omits the equivalent image 3 in the wiring of the second control line 116, and is equivalent to ...

no. 3 approach

[0178] Next, a third embodiment of the present invention will be described.

[0179] Figure 7 It is a block diagram showing a third embodiment of the active matrix circuit board of the present invention. in addition, Figure 7 is a diagram showing a circuit configuration in one pixel.

[0180] Although the third embodiment will be described below, in the following description, differences from the first and second embodiments will be mainly described, and the description of the same items will be omitted. In addition, the same code|symbol is attached|subjected to the same structure as the said 1st, 2nd embodiment mentioned above.

[0181] The third embodiment is the same as the first and second embodiments except that the first switch circuit 126 and the second switch circuit 127 include diodes 1263 and 1273 as circuits for preventing backflow of current.

[0182] That is, in the first and second embodiments, there are periods in which the drive signal Vpix(L) of the pixe...

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Abstract

The present invention provides an active matrix circuit board capable of performing display switching in a shorter time without increasing the voltage applied between electrodes, a display device and its driving method, and an electronic device with a faster display switching speed. The active matrix circuit substrate of the present invention is characterized in that it has: a first power supply line, a second power supply line, a third power supply line, a fourth power supply line, a first control line and a second control line; a pixel electrode and a memory circuit, It is arranged corresponding to the pixel; the common electrode is electrically connected to the fourth power supply line; the capacitor is arranged between the third power supply line and the pixel electrode; the first switch circuit is arranged on the first between the power supply line and the pixel electrode, and operate according to the output of the memory circuit and the potential of the first control line; the second switch circuit, which is arranged between the second power supply line and the pixel electrode, and operates according to the output of the memory circuit Operate with the potential of the second control line.

Description

technical field [0001] The invention relates to an active matrix circuit substrate, a display device, a driving method of the display device and electronic equipment. Background technique [0002] An electrophoretic display device is a display device capable of displaying for a long period of time because of low power consumption. As such an electrophoretic display device, a device in which a switching transistor and a memory circuit are provided in a pixel is known (for example, refer to Patent Document 1). [0003] That is, the electrophoretic display device described in Patent Document 1 includes scanning lines, data lines, first control lines, second control lines, pixel electrodes provided in pixels, pixel switching elements provided in pixels, and a memory. a circuit, and an opposite electrode opposite to the pixel electrode. Furthermore, by disposing an electrophoretic dispersion liquid between the pixel electrode and the counter electrode and generating an electric...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/34
CPCG09G3/344G09G2310/0264G09G2320/0252G09G2300/0809G09G2310/08G02F1/133528G02F1/1345G02F1/1368G09F9/40
Inventor 山崎克则
Owner E INK CORPORATION