Search

David Y. Chung

Examiner (ID: 13970, Phone: (571)272-2288 , Office: P/2871 )

Most Active Art Unit
2871
Art Unit(s)
2871
Total Applications
1217
Issued Applications
894
Pending Applications
79
Abandoned Applications
255

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18710801 [patent_doc_number] => 20230333428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => LIQUID CRYSTAL DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/133981 [patent_app_country] => US [patent_app_date] => 2023-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21735 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18133981 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/133981
Liquid crystal display device Apr 11, 2023 Issued
Array ( [id] => 20086825 [patent_doc_number] => 20250216761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => SCREEN AND PRODUCTION METHOD THEREOF, AND DIE [patent_app_type] => utility [patent_app_number] => 18/852795 [patent_app_country] => US [patent_app_date] => 2023-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1233 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18852795 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/852795
SCREEN AND PRODUCTION METHOD THEREOF, AND DIE Apr 10, 2023 Pending
Array ( [id] => 20094702 [patent_doc_number] => 20250224638 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => Optical Device [patent_app_type] => utility [patent_app_number] => 18/851439 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12969 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18851439 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/851439
Optical Device Mar 29, 2023 Pending
Array ( [id] => 20460614 [patent_doc_number] => 20260010039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-08 [patent_title] => Liquid Crystal Cell and Optical Device [patent_app_type] => utility [patent_app_number] => 18/852132 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10888 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18852132 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/852132
Liquid Crystal Cell and Optical Device Mar 29, 2023 Pending
Array ( [id] => 20733939 [patent_doc_number] => 12641202 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-26 [patent_title] => Electro-optical device and electronic apparatus [patent_app_type] => utility [patent_app_number] => 18/128476 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18128476 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/128476
Electro-optical device and electronic apparatus Mar 29, 2023 Issued
Array ( [id] => 20745213 [patent_doc_number] => 12645121 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-02 [patent_title] => Array substrate and preparation method therefor, and display panel [patent_app_type] => utility [patent_app_number] => 18/727197 [patent_app_country] => US [patent_app_date] => 2023-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 24 [patent_no_of_words] => 7010 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 289 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18727197 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/727197
Array substrate and preparation method therefor, and display panel Mar 28, 2023 Issued
Array ( [id] => 19204275 [patent_doc_number] => 20240176174 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => FLEXIBLE DIMMING DEVICE AND ITS FABRICATION METHOD, GLASS ASSEMBLY, AUTOMOBILE, AND GLASS CURTAIN WALL [patent_app_type] => utility [patent_app_number] => 18/126004 [patent_app_country] => US [patent_app_date] => 2023-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15237 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18126004 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/126004
FLEXIBLE DIMMING DEVICE AND ITS FABRICATION METHOD, GLASS ASSEMBLY, AUTOMOBILE, AND GLASS CURTAIN WALL Mar 23, 2023 Pending
Array ( [id] => 20811534 [patent_doc_number] => 20260186358 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-07-02 [patent_title] => Array Substrate, Display Panel, Display Device, and Mask [patent_app_type] => utility [patent_app_number] => 18/728908 [patent_app_country] => US [patent_app_date] => 2023-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9804 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18728908 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/728908
Array Substrate, Display Panel, Display Device, and Mask Mar 20, 2023 Pending
Array ( [id] => 20094705 [patent_doc_number] => 20250224641 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => LIGHT-EMITTING DEVICE AND DISPLAY APPARATUS [patent_app_type] => utility [patent_app_number] => 18/854070 [patent_app_country] => US [patent_app_date] => 2023-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8037 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18854070 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/854070
Light-emitting device and display apparatus Mar 12, 2023 Issued
Array ( [id] => 20051587 [patent_doc_number] => 20250189809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => DISPLAY SYSTEM, DISPLAY METHOD, DISPLAY BODY, AND METHOD FOR MANUFACTURING DISPLAY BODY [patent_app_type] => utility [patent_app_number] => 18/845498 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6896 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18845498 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/845498
DISPLAY SYSTEM, DISPLAY METHOD, DISPLAY BODY, AND METHOD FOR MANUFACTURING DISPLAY BODY Mar 7, 2023 Pending
Array ( [id] => 18498872 [patent_doc_number] => 20230221600 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => LIQUID CRYSTAL DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/180598 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11889 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 404 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18180598 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180598
Liquid crystal display device Mar 7, 2023 Issued
Array ( [id] => 20767805 [patent_doc_number] => 20260164800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-06-11 [patent_title] => ARRAY SUBSTRATE AND DISPLAY APPARATUS [patent_app_type] => utility [patent_app_number] => 18/709572 [patent_app_country] => US [patent_app_date] => 2023-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7362 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18709572 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/709572
ARRAY SUBSTRATE AND DISPLAY APPARATUS Mar 5, 2023 Pending
Array ( [id] => 20764051 [patent_doc_number] => 20260161034 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-06-11 [patent_title] => ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/708627 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5803 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18708627 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/708627
ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE Mar 2, 2023 Pending
Array ( [id] => 20543301 [patent_doc_number] => 20260050192 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-19 [patent_title] => ARRAY SUBSTRATE AND DISPLAY APPARATUS [patent_app_type] => utility [patent_app_number] => 18/706196 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6067 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18706196 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/706196
ARRAY SUBSTRATE AND DISPLAY APPARATUS Mar 2, 2023 Pending
Array ( [id] => 20079022 [patent_doc_number] => 12353086 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Array substrate, display device, and drive-for-heating method for display device [patent_app_type] => utility [patent_app_number] => 18/564590 [patent_app_country] => US [patent_app_date] => 2023-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 35 [patent_no_of_words] => 13313 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 559 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18564590 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/564590
Array substrate, display device, and drive-for-heating method for display device Feb 27, 2023 Issued
Array ( [id] => 19136682 [patent_doc_number] => 11971630 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-30 [patent_title] => Liquid crystal display panels and methods of manufacturing the same [patent_app_type] => utility [patent_app_number] => 18/175558 [patent_app_country] => US [patent_app_date] => 2023-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4399 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18175558 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/175558
Liquid crystal display panels and methods of manufacturing the same Feb 27, 2023 Issued
Array ( [id] => 18598675 [patent_doc_number] => 20230273474 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => ASSEMBLY AND METHOD FOR ACTIVELY CONTROLLING RADIATION TRANSMISSION [patent_app_type] => utility [patent_app_number] => 18/114782 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6080 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18114782 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/114782
Assembly and method for actively controlling radiation transmission Feb 26, 2023 Issued
Array ( [id] => 18598678 [patent_doc_number] => 20230273477 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => LIQUID CRYSTAL DISPLAY APPARATUS [patent_app_type] => utility [patent_app_number] => 18/173647 [patent_app_country] => US [patent_app_date] => 2023-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11842 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18173647 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/173647
Liquid crystal display apparatus Feb 22, 2023 Issued
Array ( [id] => 20303711 [patent_doc_number] => 12449697 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Backlight module, display module and display apparatus [patent_app_type] => utility [patent_app_number] => 18/552796 [patent_app_country] => US [patent_app_date] => 2023-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 18 [patent_no_of_words] => 4519 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18552796 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/552796
Backlight module, display module and display apparatus Feb 19, 2023 Issued
Array ( [id] => 19833808 [patent_doc_number] => 20250085594 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => LIQUID CRYSTAL PANEL AND MANUFACTURING METHOD THEREOF AND DISPLAY APPARATUS [patent_app_type] => utility [patent_app_number] => 18/579978 [patent_app_country] => US [patent_app_date] => 2023-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11734 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18579978 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/579978
LIQUID CRYSTAL PANEL AND MANUFACTURING METHOD THEREOF AND DISPLAY APPARATUS Feb 13, 2023 Pending
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