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Crosstalk improvement method of QLED display panel and QLED display panel

A display panel, display technology, applied in static indicators, instruments, electrical components, etc., can solve problems such as practical defects that need to be improved

Pending Publication Date: 2021-10-26
陈学仕
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] From the above description, it can be seen that the existing QLED display panel 11' still has practical defects that need to be improved

Method used

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  • Crosstalk improvement method of QLED display panel and QLED display panel
  • Crosstalk improvement method of QLED display panel and QLED display panel
  • Crosstalk improvement method of QLED display panel and QLED display panel

Examples

Experimental program
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Effect test

experiment example

[0091] Generally, the core (core) of quantum dots made of CdS, CdZnS, CdZnSe, CdZnSeS, or ZnSe has a quantum yield (Quantum yield, QY) lower than 70%, because a single quantum dot (ie, core) has Excessive surface defects. Therefore, the quantum dots in the form of shell / core can exhibit better stable nuclear quantum yield due to having a core (core) and a highly stable outer layer (shell). Therefore, in order to confirm that the ratio between the diameter length of the quantum dot and the thickness of its shell layer is in the range of 1.3 to 2, it is indeed helpful to reduce / eliminate display crosstalk, the inventors of the present case have completed related experiments, and the experimental group Do not organize them in the table (1) below.

[0092] Table 1)

[0093]

[0094] Figure 12 A test image diagram showing the QLED display panel of the control group. Such as Figure 12 As shown in the image (a), when the row driving unit 13 is used to drive the QLED display...

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Abstract

The invention mainly discloses a crosstalk improvement method of a QLED display panel, which is applied to a QLED display, and the QLED display comprises a QLED display panel, a column driving unit, a row driving unit and a control unit. In addition, the QLED display panel comprises M anode wires, N cathode wires and M * N QLED elements. Under the condition that the crosstalk improvement method is applied, the control unit controls the row driving unit to provide a forward bias voltage for at least one selected QLED element, and meanwhile, the control unit controls the column driving unit to provide a reverse bias voltage for a plurality of other unselected QLED elements. According to the design, when at least one selected QLED element emits light, other QLED elements do not emit weak light at the same time to form display crosstalk.

Description

technical field [0001] The invention relates to the related technical field of QLED displays, in particular to a method for improving crosstalk of a QLED display panel and a QLED display panel. Background technique [0002] Known, traditional flat panel display comprises liquid crystal display (LCD) and plasma display, wherein, LCD display is a kind of non-self-emissive flat panel display (non-self-emissive flat panel display), and its structure at least includes: white light LED backlight modules, LCD panels, and color filters. Utilize a drive circuit to control the white LED backlight module to emit a white backlight so that it passes through the liquid crystal panel and then passes through the color filter and then turns into red light, green light, and blue light for use as a screen The red sub-pixel, green sub-pixel, and blue sub-pixel shown above. According to statistics, the best color gamut that can be displayed by a liquid crystal display using a white LED backlig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/32H01L27/32H01L51/50
CPCG09G3/32H10K59/131H10K50/115
Inventor 陈学仕
Owner 陈学仕
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