Canon kabushiki kaisha (20240339079). LIGHT-EMITTING DEVICE HAVING CONTROL CONNECTION BETWEEN GATE OF DRIVE TRANSISTOR AND POWER SUPPLY, PHOTOELECTRIC CONVERSION DEVICE, ELECTRONIC APPARATUS, LIGHTING DEVICE AND MOVING BODY simplified abstract

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LIGHT-EMITTING DEVICE HAVING CONTROL CONNECTION BETWEEN GATE OF DRIVE TRANSISTOR AND POWER SUPPLY, PHOTOELECTRIC CONVERSION DEVICE, ELECTRONIC APPARATUS, LIGHTING DEVICE AND MOVING BODY

Organization Name

canon kabushiki kaisha

Inventor(s)

TOMOYA Sasago of Kanagawa (JP)

HIROMASA Tsuboi of Tokyo (JP)

LIGHT-EMITTING DEVICE HAVING CONTROL CONNECTION BETWEEN GATE OF DRIVE TRANSISTOR AND POWER SUPPLY, PHOTOELECTRIC CONVERSION DEVICE, ELECTRONIC APPARATUS, LIGHTING DEVICE AND MOVING BODY - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240339079 titled 'LIGHT-EMITTING DEVICE HAVING CONTROL CONNECTION BETWEEN GATE OF DRIVE TRANSISTOR AND POWER SUPPLY, PHOTOELECTRIC CONVERSION DEVICE, ELECTRONIC APPARATUS, LIGHTING DEVICE AND MOVING BODY

The abstract describes a light-emitting device with multiple light-emitting elements and pixel circuits that control the emission of light.

  • The device includes drive transistors, write transistors, and light emission control transistors in each pixel circuit.
  • There are control lines for managing the write and light emission control transistors.
  • Circuits are designed to adjust the signal waveforms of the control lines.
  • The innovation lies in the precise control of the light emission process in the device.

Potential Applications:

  • This technology can be used in display panels, signage, and lighting applications.
  • It may find applications in automotive lighting systems and wearable technology.

Problems Solved:

  • Provides efficient control over the light emission process.
  • Enhances the overall performance and energy efficiency of light-emitting devices.

Benefits:

  • Improved brightness and color accuracy in displays.
  • Energy savings due to optimized control of light emission.

Commercial Applications:

  • Display manufacturers can integrate this technology into their products for enhanced performance.
  • Lighting companies can use this innovation to create more energy-efficient lighting solutions.

Questions about the technology: 1. How does this technology improve energy efficiency in light-emitting devices? 2. What are the potential challenges in implementing this innovation in commercial products?


Original Abstract Submitted

a light-emitting device includes a plurality of light-emitting elements and a plurality of pixel circuits. the plurality of pixel circuits each includes a drive transistor configured to drive a corresponding one of the plurality of light-emitting elements, a write transistor configured to write a signal to a gate of the drive transistor, and a light emission control transistor configured to control connection between the gate of the drive transistor and a power supply. the light-emitting device includes a first control line for controlling the write transistor, a second control line for controlling the light emission control transistor, a first circuit configured to incline a signal waveform of the first control line, and a second circuit configured to incline a signal waveform of the second control line.