Micro light emitting diode display, micro light emitting diode element and manufacturing method thereof
A technology of light-emitting diodes and light-emitting elements, which is applied in the direction of electrical components, semiconductor devices, and electric solid-state devices, and can solve the problems of high transparent conductive materials and high resistance-capacitance loads
Active Publication Date: 2020-10-23
AU OPTRONICS CORP
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Problems solved by technology
Since the resistance of transparent conductive materials is higher than that of metals, the resistance-capacitance load (RC loading) is higher
Method used
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[0046] figure 1 A schematic diagram of a micro LED display 100 according to an embodiment of the present invention is shown. figure 2 A schematic diagram of a micro LED display 100' according to another embodiment of the present invention is shown.
[0047]According to the definition of current technological development, micro-LEDs generally refer to light-emitting diodes with side lengths ranging from microns to hundreds of microns. Micro-LED displays 100, 100' include a plurality of light-emitting elements arranged in an array, but for the convenience of description, figure 1 Only one first light-emitting element 106a and one second light-emitting element 106b, two first connection electrodes 107a, 107b, two second connection electrodes 108a, 108b, and two first pads 1101 are shown among the plurality of light-emitting elements. and two second pads 1102 . also, figure 2 Only one first light emitting element 106a, one second light emitting element 106b and one third ligh...
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Abstract
A method for manufacturing a micro light emitting diode display is provided. First light emitting units are formed, and second light-emitting units are formed. Each of the first and the second light emitting units has a first electrode and a second electrode. First and second transparent extending electrodes having a first thickness are formed on the first light emitting units and respectively electrically connected to the first and second electrodes to form first light emitting elements which are electrically connected to the element substrate through respective first and second connecting electrodes after being transferred to the element substrate. First and second transparent extension electrodes having a second thickness are formed on the second light emitting units and respectively electrically connected to the first and second electrodes to form second light emitting elements and the second light emitting elements are electrically connected to the element substrate through respective first and second connecting electrodes after being transferred to the element substrate.
Description
technical field [0001] The invention relates to a display, and in particular to a micro light emitting diode display, a micro light emitting diode element and a manufacturing method thereof. Background technique [0002] Due to the characteristics of self-illumination and different kinds of light-emitting diodes that can emit light of different wavelengths, as well as the advantages of low power consumption, high contrast and high response speed, micro light emitting diode displays (Micro light emitting diode display, Micro LED display) It is considered as a possible replacement for liquid crystal display (LCD) and become the mainstream of next-generation display technology. As LED display technology has become more and more mature in recent years, it can already be applied to smart phones (smart phone), television (TV), computer monitor (computer monitor) and other products, so the industry is more committed to the development of micro-LED displays to make LED displays wit...
Claims
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IPC IPC(8): H01L27/15
CPCH01L27/156
Inventor 黄柏荣曹梓毅蔡正晔
Owner AU OPTRONICS CORP