DMD assembly and projection device
By using rubber pads and fixing screws in the clamping assembly to ensure stable contact between the DMD chip and the circuit board, the problem of unstable contact is solved, the projection effect is improved, and the DMD chip is protected.
CN224383539UActive Publication Date: 2026-06-19JIANGXI LIANCHUANG ELECTRONICS CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGXI LIANCHUANG ELECTRONICS CO LTD
- Filing Date
- 2025-05-29
- Publication Date
- 2026-06-19
AI Technical Summary
⚠Technical Problem
Unstable contact between the DMD chip and the circuit board affects the projection effect.
⚗Method used
A clamping assembly is used, including a rubber pad, a pressure plate, and a fixing screw. The rubber pad is clamped between the pressure plate and the circuit board, and the fixing screw presses the pressure plate and the rubber pad onto the circuit board, ensuring stable contact between the DMD chip and the circuit board.
🎯Benefits of technology
This achieves a stable electrical connection between the DMD chip and the circuit board, avoiding the impact of unstable contact on the projection effect and protecting the DMD chip from damage.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure 1 Figure 2
Abstract
This utility model discloses a DMD component and a projection device. The DMD component includes: a housing with a chip receiving groove on its outer surface; a DMD chip disposed within the chip receiving groove; a DMD adapter board disposed on the DMD chip; a circuit board disposed on the DMD adapter board for pressing the DMD adapter board onto the DMD chip; and a clamping assembly including a rubber pad, a pressure plate, and a fixing screw. The rubber pad is sandwiched between the pressure plate and the circuit board, and one end of the fixing screw is connected to the pressure plate, while the other end is connected to the housing. The fixing screw is used to press the pressure plate and the rubber pad firmly onto the circuit board. Using a pressure plate in conjunction with a rubber pad to press the circuit board onto the DMD adapter board and the DMD chip ensures a stable connection between the DMD chip and the circuit board. Furthermore, the rubber pad ensures tight contact between the circuit board and the DMD adapter board while preventing the circuit board from applying excessive pressure that could damage the DMD chip.
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