---
title: Computer with External Display and Discrete Backlight Control
---
flowchart LR

Panel@{ shape: rect, label: "Display panel" }
Backlight@{ shape: rect, label: "Panel backlight"}
DDIC@{ shape: rect, label: "DDIC" }
Connection@{ shape: rect, label: "Display connection" }
BacklightConnection@{ shape: rect, label: "Backlight connection" }
Engine@{ shape: rect, label: "Display engine" }

subgraph Display
  direction TB
  subgraph PhysicalDisplay[" "]
    Panel
    Backlight
  end
  style PhysicalDisplay stroke: none
  DDIC
end

subgraph Cables
  direction TB
  Connection
  BacklightConnection
end

subgraph "Host processor"
  direction TB
  Engine
end

Engine --> Connection --> DDIC --> Panel
Engine --> BacklightConnection -->  Backlight