Micro light-emitting diode display device and micro light-emitting diode driving circuit thereof
a technology of light-emitting diodes and display devices, which is applied in the direction of semiconductor devices, instruments, electrical devices, etc., can solve the problems of power consumption of micro light-emitting diodes driving circuits
Active Publication Date: 2020-05-21
MIKRO MESA TECH
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- Abstract
- Description
- Claims
- Application Information
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Benefits of technology
This patent is about a new invention described in detail through a description and accompanying drawings. The technical effects of this patent are not clearly specified, but it explains how the invention works and how it can be understood through the information provided.
Problems solved by technology
One of the promising subfield is micro light-emitting diode devices, and one of the important issues of said subfield is the power consumption of a micro light-emitting diode driving circuit.
Method used
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[0025]Reference will now be made in detail to the present embodiments of the disclosure, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers are used in the drawings and the description to refer to the same or like parts.
[0026]In various embodiments, description is made with reference to figures. However, certain embodiments may be practiced without one or more of these specific details, or in combination with other known methods and configurations. In the following description, numerous specific details are set forth, such as specific configurations, dimensions and processes, etc., in order to provide a thorough understanding of the present disclosure. In other instances, well-known semiconductor processes and manufacturing techniques have not been described in particular detail in order to not unnecessarily obscure the present disclosure. Reference throughout this specification to “one embodiment,”“an embodiment”, “some emb...
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Abstract
A micro light-emitting diode display device including a driving transistor and a micro light-emitting diode is provided. The driving transistor includes a substrate, a bottom gate, a gate insulator, a semiconductor layer, an etch stopper, a drain electrode, a source electrode, and an insulating layer. The drain electrode is ring-shaped and a contact portion between the drain electrode and the semiconductor layer surrounds the semiconductor layer. The source electrode is in contact with the semiconductor layer and is enclosed by the drain electrode. The insulating layer has a via therein to expose a portion of the source electrode. The micro light-emitting diode is electrically connected to the source electrode. The micro light-emitting diode includes a current injection channel present in the micro-light emitting diode. The current injection channel is separated from a side surface of the micro light-emitting diode.
Description
BACKGROUNDField of Invention[0001]The present disclosure relates to a low power micro light-emitting diode display device and a low power micro light-emitting diode driving circuit.Description of Related Art[0002]The statements in this section merely provide background information related to the present disclosure and do not necessarily constitute prior art.[0003]In recent years, micro devices have become popular in various applications. One of the promising subfield is micro light-emitting diode devices, and one of the important issues of said subfield is the power consumption of a micro light-emitting diode driving circuit.SUMMARY[0004]According to some embodiments of the present disclosure, a micro light-emitting diode display device including a driving transistor and a micro light-emitting diode is provided. The driving transistor includes a substrate, a bottom gate, a gate insulator, a semiconductor layer, an etch stopper, a drain electrode, a source electrode, and an insulatin...
Claims
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IPC IPC(8): H01L27/12H01L29/423H01L29/786
CPCH01L27/1222H01L29/78648H01L29/4238H01L27/1248G09G3/32H01L27/15H01L29/41733H01L29/7869H01L33/20H01L29/42384H01L29/78696
Inventor CHEN, LI-YI
Owner MIKRO MESA TECH