Extract from the Register of European Patents

EP About this file: EP4517728

EP4517728 - SIGNAL TRANSMISSION METHOD AND APPARATUS, LED CONTROL APPARATUS AND LED DISPLAY MODULE [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  31.01.2025
Database last updated on 30.03.2026
FormerThe international publication has been made
Status updated on  01.03.2024
Most recent event   Tooltip08.01.2026Amendment by applicant 
Applicant(s)For all designated states
Shenzhen Leyard Opto-Electronic Co., Ltd.
No. 6, Guanhe Road
Junzibu Community
Guanlan Street
Longhua District
Shenzhen Guangdong 518110 / CN
[2025/10]
Inventor(s)01 / ZHENG, Jinlong
Shenzhen, Guangdong 518110 / CN
02 / ZHANG, Hailei
Shenzhen, Guangdong 518110 / CN
03 / LIU, Yabin
Shenzhen, Guangdong 518110 / CN
 [2025/10]
Representative(s)HGF
HGF Limited
4th Floor, 1 City Square
Leeds LS1 2ES / GB
[N/P]
Former [2025/10]HGF
HGF Limited
1 City Walk
Leeds LS11 9DX / GB
Application number, filing date23856663.223.08.2023
[2025/10]
WO2023CN114501
Priority number, dateCN2022111329023.08.2022         Original published format: CN202211013290
CN202222225764U23.08.2022         Original published format: CN 202222225764 U
[2025/10]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2024041575
Date:29.02.2024
Language:ZH
[2024/09]
Type: A1 Application with search report 
No.:EP4517728
Date:05.03.2025
Language:EN
[2025/10]
Search report(s)International search report - published on:CN29.02.2024
(Supplementary) European search report - dispatched on:EP25.06.2025
ClassificationIPC:G09G3/32, G09F9/33
[2025/10]
CPC:
H05B47/18 (EP); G06F3/147 (US); G06F1/189 (US);
G09G3/32 (EP,US); G09G5/006 (EP); G09G2330/02 (US);
G09G2370/08 (EP); G09G3/2088 (EP) (-)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2025/10]
TitleGerman:SIGNALÜBERTRAGUNGSVERFAHREN UND -VORRICHTUNG, LED-STEUERUNGSVORRICHTUNG UND LED-ANZEIGEMODUL[2025/10]
English:SIGNAL TRANSMISSION METHOD AND APPARATUS, LED CONTROL APPARATUS AND LED DISPLAY MODULE[2025/10]
French:PROCÉDÉ ET APPAREIL DE TRANSMISSION DE SIGNAL, APPAREIL DE COMMANDE DE DEL ET MODULE D'AFFICHAGE À DEL[2025/10]
Entry into regional phase28.11.2024Translation filed 
28.11.2024National basic fee paid 
28.11.2024Search fee paid 
28.11.2024Designation fee(s) paid 
28.11.2024Examination fee paid 
Examination procedure28.11.2024Examination requested  [2025/10]
06.01.2026Amendment by applicant (claims and/or description)
06.01.2026Date on which the examining division has become responsible
Fees paidRenewal fee
26.08.2025Renewal fee patent year 03
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Documents cited:Search[X] CN215868585  (XIAN NOVASTAR TECH CO LTD et al.) [X] 1,5-8 * the whole document *
 [XI] CN214336295  (XIAN NOVASTAR TECH CO LTD et al.) [X] 1,5-10 * the whole document *[I] 2-4,11-15
 [XI]   ANONYMOUS ET AL: "Keyestudio 8*8 LED Dot Matrix Module( Address Select) for Arduino", 27 November 2020 (2020-11-27), pages 1 - 8, XP093285817, Retrieved from the Internet [retrieved on 20250611] [X] 1,5-8 * the whole document *[I] 9
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