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US 11,961,873 B2Granted
Light emitting device for display and display apparatus having the same
AssigneeSeoul Viosys Co., Ltd.
InventorsSeom Geun Lee, Seong Kyu Jang, Yong Woo Ryu
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Abstract
A light emitting device for a display according to an exemplary embodiment includes a first LED stack, a second LED stack located under the first LED stack, and a third LED stack located under the second LED stack. The light emitting device further includes a first bonding layer, a second bonding layer, a first planarization layer, a second planarization layer, lower buried vias, and upper buried vias. The first planarization layer is recessed inwardly to expose an edge of the second LED stack.
Claims19
A display apparatus, comprising:
- a circuit board;
- and
- a plurality of light emitting devices connected to the circuit board,
- each of the plurality of light emitting devices, including:
- a first LED stack;
- a second LED stack located over the first LED stack;
- a third LED stack located over the second LED stack;
- a first bonding layer interposed between the second LED stack and the third LED stack;
- a first planarization layer interposed between the first LED stack and the second LED stack;
- a second planarization layer disposed under the first LED stack and including an opening exposing a first electrode pad electrically connected to the first LED stack;
- a bump pad electrically connected to the circuit board and having a center portion shifted from a center of the opening of the second planarization layer;
- and
- wherein the first planarization layer is recessed inwardly to expose an edge of the second LED stack.
10 more elements
Dependencies are inferred from the claim text.