Power conservation type driving mechanism of semiconductor luminous component
A technology for driving devices and light-emitting components, which can be used in lighting devices, electroluminescence light sources, light sources, etc., and can solve problems such as energy consumption
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0030] Preferred embodiments of the present invention are described in detail below with reference to the drawings.
[0031] figure 1 It is a typical LED driver IC chip, and the output / input ports connected to the package pins usually include power supply current input port (VCC), multiple LED control output ports, ground current output port (GND) and the integration of adjustment control output current. Circuit current output port (REXT).
[0032] The IC current output port (REXT) is externally connected with a resistor (Rext) to form a basic current source. The current of the basic current source is amplified several times by the internal circuit, and then output to the corresponding control output port connected to the cathode of each series LED, and the anode of each series LED is connected to a certain voltage source (V_LED); thereby, You can turn on and control the brightness of the LED. As shown in the figure, the current flowing through the power current input port ...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com