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US 11,961,872 B2Granted
Unit pixel having light emitting devices and display apparatus having the same
AssigneeSeoul Viosys Co., Ltd.
InventorsNamgoo Cha, Sang Min Kim, Jae Hee Lim
Life of this patent
Estimating the term…
Abstract
A unit pixel includes a transparent substrate, a plurality of light emitting devices disposed on the transparent substrate, and an electrostatic discharge (ESD) protector disposed on the transparent substrate and protecting at least one of the light emitting devices from electrostatic discharge.
Claims20
A light emitting device, comprising:
- a substrate;
- a plurality of light emitters disposed on the substrate, the plurality of light emitters arranged in a matrix having one or more rows and one or more columns, each light emitter comprising a first type semiconductive layer, a second type semiconductive layer, and an active layer disposed between the first type semiconductive layer and the second type semiconductive layer;
- multiple sets of connection layers, each set of connection layers including a first electrode electrically connected to the first type semiconductive layer and a second electrode electrically connected to the second type semiconductive layer;
- and
- a plurality of electrostatic discharge (ESD) protectors disposed on the substrate, each ESD protector associated with a corresponding light emitter,
- wherein the plurality of light emitters comprises a blue light emitter, a green light emitter, and a red light emitter,
- wherein the plurality of ESD protectors comprises a first ESD protector, a second ESD protector, and a third ESD protector, and
- wherein the first ESD protector shares a set of connection layers connected to the blue light emitter, the second ESD protector shares a set of connection layers connected to the green light emitter, and the third ESD protector shares a set of connection layers connected to the red light emitter.
5 more elements
A light emitting module, comprising:
- a substrate;
- a plurality of light emitters disposed on the substrate, the plurality of light emitters arranged in a matrix having one or more rows and one or more columns, each light emitter comprising a first type semiconductive layer, a second type semiconductive layer, and an active layer disposed between the first type semiconductive layer and the second type semiconductive layer;
- a plurality of a set of connection layers, each set of connection layers associated with each light emitter and including a first electrode electrically connected to the first type semiconductive layer and a second electrode electrically connected to the second type semiconductive layer;
- and
- a plurality of electrostatic discharge (ESD) protectors disposed on the substrate, each ESD protectors associated with each light emitter;
- wherein:
- the ESD protector includes at least three Zener diodes;
- and
- at least one Zener diode is associated with and disposed adjacent to one or more light emitters and electrically connected to each associated light emitter.
6 more elements
A display apparatus, comprising:
- a circuit board and a light emitting module disposed on the circuit board,
- wherein the light emitting module includes:
- a substrate;
- a plurality of light emitters disposed on the substrate, and including a blue light emitter, a green light emitter, and a red light emitter;
- connection layers electrically connected to the plurality of light including a first connection layer electrically connected to the blue light emitter, a second connection layer electrically connected to the green light emitter, and a third connection layer electrically connected to the red light emitter;
- and
- a plurality of electrostatic discharge (ESD) protectors disposed on the substrate, and including a first ESD protector, a second ESD protector, and a third ESD protector,
- wherein the first ESD protector, the second ESD protector, and the third ESD protector are electrically connected to the first connection layer, the second connection layer, and the third connection layer, respectively.
5 more elements
Dependencies are inferred from the claim text.