18466405. LIGHT-EMITTING DEVICE simplified abstract (Panasonic Intellectual Property Management Co., Ltd.)

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LIGHT-EMITTING DEVICE

Organization Name

Panasonic Intellectual Property Management Co., Ltd.

Inventor(s)

Yugo Nose of KYOTO (JP)

Manabu Usuda of HYOGO (JP)

Masayuki Sawada of KANAGAWA (JP)

Shinzo Koyama of OSAKA (JP)

Masato Takemoto of OSAKA (JP)

LIGHT-EMITTING DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18466405 titled 'LIGHT-EMITTING DEVICE

Simplified Explanation

The present disclosure describes a light-emitting device that can detect a failure in a light-emitting circuit without affecting the waveform of the current supplied to the light source.

  • The light-emitting device includes a light-emitting circuit with a light source element and a power supply that provides electric charges to the circuit.
  • The light-emitting circuit is positioned between a power supply node and a ground node.
  • The power supply is connected to the power supply node through a power supply line.
  • A monitor is used to detect any abnormal state in the light-emitting circuit by monitoring the voltage of the power supply line or the internal voltage of the power supply.

Potential applications of this technology:

  • Lighting systems: This technology can be used in various lighting systems, such as LED lights, to detect failures in the light-emitting circuit without affecting the light output.
  • Display devices: It can be applied in display devices like LED screens to identify any abnormalities in the light-emitting circuit without impacting the visual display.
  • Automotive lighting: This technology can be utilized in automotive lighting systems to detect failures in the light-emitting circuit, ensuring proper functioning of headlights, taillights, and other lighting components.

Problems solved by this technology:

  • Failure detection: The light-emitting device allows for the detection of failures in the light-emitting circuit, enabling timely maintenance or replacement of faulty components.
  • Waveform preservation: By detecting failures without affecting the waveform of the current supplied to the light source, the device ensures uninterrupted and consistent light output.

Benefits of this technology:

  • Improved reliability: The ability to detect failures in the light-emitting circuit enhances the overall reliability of the light-emitting device.
  • Cost savings: Timely detection of failures allows for prompt maintenance or replacement, reducing potential downtime and costly repairs.
  • Enhanced performance: By preserving the waveform of the current supplied to the light source, the device ensures consistent and high-quality light output.


Original Abstract Submitted

The present disclosure allows a light-emitting device to detect a failure of a light-emitting circuit without affecting the waveform of a pulse current to be supplied to a light source element. The light-emitting device includes: a light-emitting circuit including a light source element; and a power supply configured to supply electric charges to the light-emitting circuit. The light-emitting circuit is provided between a power supply node and a ground node. The power supply is connected to the power supply node via a power supply line. A monitor detects an abnormal state of the light-emitting circuit by monitoring the voltage of the power supply line or the internal voltage of the power supply.