IEC TR 62595-1-5:2022 PDF

Name: IEC TR 62595-1-5:2022 — Display lighting unit - Part 1-5: Electrical signal interface of LED BLU
SKU: IEC TR 62595-1-5:2022
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Display lighting unit - Part 1-5: Electrical signal interface of LED BLU

Название (английский):

IEC TR 62595-1-5:2022

Display lighting unit - Part 1-5: Electrical signal interface of LED BLU

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 16
Дата публикации:: 14 декабря 2022 г.
Издание:: IEC TR 62595 edition 1 version 1
ICS:: 17.220.20

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Описание (английский):

IEC TR 62595-1-5:2022(E), which is a Technical Report, provides information for the future standardization of the electrical signal interface of LED backlight units for liquid crystal display television sets, which include control signals, control data and LED driver interface. This document only provides information about 2-D local dimming LED backlight units, with or without local boosting. NOTE All values and parameters of this document are examples.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты IEC

Overview

IEC TR 62595-1-5:2022 - Display lighting unit, Part 1-5: Electrical signal interface of LED BLU - is a Technical Report from the IEC that provides guidance for future standardization of the electrical signal interface of LED backlight units (LED BLU) used in LCD television sets. The report focuses on 2‑D local dimming backlight architectures, with or without local boosting, and documents control signals, control data formats and LED driver interfaces. Note: the publication is informational and uses example values and parameters.

Key topics

Scope and purpose: Informative guidance toward a future normative standard for LED BLU electrical interfaces in LCD‑TV systems.

Interface architecture: Signal flow between the Video Processing Unit (VPU), LED driver unit and LED BLU; configuration of LED blocks (address maps for normal and reverse modes).

Local dimming & boosting data: Examples of data formats, pin configurations, electrical characteristics and signal timing for local dimming and local boosting control.

Control interfaces: Guidance on control signal protocols such as I²C (I C) command format, slave addressing and register maps; references to serial interfaces used between system-on-chip (SoC)/VPU and LED driver units.

LED driver interface modes: Discussion of LED driver connection topologies including static mode, common‑cathode mode and common‑anode mode (with illustrative examples).

Future standardization topics: Considerations for LED matrix/string configurations and emerging Mini‑LED BLU designs.

Practical applications

Establishes a common informational foundation for developing interoperable LED backlight interfaces in LCD‑TV products that implement local dimming and boosting.

Helps system architects define how the VPU, LED drivers and BLU exchange luminance control data and timing.

Supports hardware and firmware engineers in designing LED driver boards, LED light boards (matrices or strings), and VPU/SoC firmware that manage local dimming.

Useful for test labs, compliance teams and manufacturers planning product interoperability and migration to future IEC normative standards.

Related standards

IEC 62595 series (Display lighting unit) - consult the series index for related parts.

IEC TR 62595-1-2:2016 - terminology and letter symbols referenced by this report.

Keywords: IEC TR 62595-1-5:2022, LED BLU, electrical signal interface, local dimming, local boosting, LED driver unit, LCD‑TV, I²C, LED matrix, Mini‑LED.

IEC TR 62595-1-5:2022 PDF

Abstract

Похожие стандарты

Overview

Key topics

Practical applications

Who should use this document

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