Optoelectronic semiconductor device
US-2026101607-A1 · Apr 9, 2026 · US
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Ou Chen patents
Ou Chen is listed as an inventor on 103 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ou Chen |
| Total patents | 103 |
| First publication | Mar 19, 2015 |
| Latest publication | Apr 9, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Light-emitting device
US-2026090140-A1 · Mar 26, 2026 · US
Optoelectronic device
US-12581785-B2 · Mar 17, 2026 · US
Light-emitting diode device
US-D1114750-S · Feb 24, 2026 · US
Light-emitting diode device
US-D1113775-S · Feb 17, 2026 · US
Semiconductor element
US-2026047242-A1 · Feb 12, 2026 · US
Semiconductor device
US-2026020400-A1 · Jan 15, 2026 · US
Semiconductor photo-detecting device
US-12514027-B2 · Dec 30, 2025 · US
Light-emitting device
US-12507505-B2 · Dec 23, 2025 · US
Semiconductor device
US-2025318327-A1 · Oct 9, 2025 · US
Recent patents
Latest publications not already listed above.
Semiconductor device
US-12364067-B2 · Jul 15, 2025 · US
Semiconductor light-emitting device and semiconductor light-emitting component
US-2025169238-A1 · May 22, 2025 · US
Semiconductor light-emitting device
US-2025143026-A1 · May 1, 2025 · US
Semiconductor device
US-2025112443-A1 · Apr 3, 2025 · US
Semiconductor light-emitting device and semiconductor light-emitting component
US-12230736-B2 · Feb 18, 2025 · US
Light-emitting device
US-D1062026-S · Feb 11, 2025 · US
Light-emitting device and display device having the same
US-2025048792-A1 · Feb 6, 2025 · US
Light-emitting device
US-2024421249-A1 · Dec 19, 2024 · US
Semiconductor device
US-2024413268-A1 · Dec 12, 2024 · US
Light-emitting device and display device having the same
US-12166151-B2 · Dec 10, 2024 · US
Light-emitting device
US-12155019-B2 · Nov 26, 2024 · US
Light-emitting device
US-2024274766-A1 · Aug 15, 2024 · US
Semiconductor photo-detecting device
US-2024222538-A1 · Jul 4, 2024 · US
Light-emitting device
US-11990575-B2 · May 21, 2024 · US
Method of manufacturing a light-emitting device
US-11961939-B2 · Apr 16, 2024 · US
Light-emitting device, backlight unit and display apparatus having the same
US-2024113262-A1 · Apr 4, 2024 · US
Semiconductor photo-detecting device
US-11935981-B2 · Mar 19, 2024 · US
Light-emitting diode device
US-D1012330-S · Jan 23, 2024 · US
Light-emitting device
US-2023395765-A1 · Dec 7, 2023 · US
Light-emitting device
US-2023361248-A1 · Nov 9, 2023 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Epistar Corp | 103 |
| Ou Chen | 4 |
| Shen Chien-Fu | 2 |
| Ko Tsun-Kai | 1 |
| Hon Schang-Jing | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H10H20/82 | 58 |
| H10H20/819 | 52 |
| H10H20/831 | 45 |
| H01L33/22 | 38 |
| H01L33/20 | 31 |