Title:
DISPLAY DEVICE WITH LOCAL DECODING OF DIGITAL DATA
Document Type and Number:
Japanese Patent JP2023080048
Kind Code:
A
Abstract:
To provide a display device having an architecture that improves the security of transmission of image or video signals to the pixels of the display device.SOLUTION: A display device (100) includes at least an array of display blocks each of which includes a light emitting element (118) and a driving circuit (122) for the light emitting element, an array of control circuits (114) associated with the display block, and a video card that receives an encrypted digital signal to be displayed and sends the encrypted digital data to be displayed to the control circuit, and each of the control circuit includes a first memory circuit (116) that receives and stores encrypted digital data, a second memory circuit (124) that stores a decryption key, and a decryption circuit (136) that decrypts the encrypted digital data using the decryption key.SELECTED DRAWING: Figure 2
Inventors:
JEAN-FRANCOIS MAINGUET
Application Number:
JP2022189320A
Publication Date:
June 08, 2023
Filing Date:
November 28, 2022
Export Citation:
Assignee:
COMMISSARIAT ENERGIE ATOMIQUE
International Classes:
G06F21/60; H04L9/08; G06F21/84; G09G3/20; G09G3/32; G09G3/3225; G09G5/00
Attorney, Agent or Firm:
Yasuhiko Murayama
Shinya Mihiro
Tatsuhiko Abe
Shinya Mihiro
Tatsuhiko Abe
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