Red Carpet Welcome Light from Rocker Panel
The design target here is for Red-carpet style projection from the rear passenger seat with brand-name projection from the rocker panel. Image must be high-quality projected image and high light intensity.
Red carpet projector module from TQ Technology. Modification possible to fully meet requirements for size and brightness. Potential combination to reach light level requirements of show-room ambient light levels. Small size for rocker panel implementation
TQ Tech has detailed knowledge of DMD illumination and projection optics (simulation, development and validation/testing) with track-record of product development and R&D for LED-based video-projectors. They also have long-term experience in Etendue-limited projection and imaging applications
One option is still image projection of brand name Glass-Gobo projector for small size and high brightness. The concept is projected image on road surface with red carpet projector, video-beamer, brand name.
Below is another option design:
The target of the project is the development of a logo or welcome light projector with suitable optical characteristics and compact size so that is can be mounted on the underbody of a car, thus preventing any swiveling effects as with logo projectors for door or mirror positioning. Most important requirements are:
- Static projected image, with illuminance values above 300lx and good contrast over complete image size.
- Compact size, with mounting position and optical design such as to prevent staining and dust at rocker position.
- Easy optical and mechanical design for overall low-cost, with the possibility to change the logo or image content by simple means.
- Low power LED usage for minimal heat dissipation.
The projection of sharp images from the sill or the rocker of the car is a challenging optical design task, due to the restricted height of the projector position. Projection onto a strongly inclined image surface with ultra-short throw ratios and sufficient luminous flux typically requires complex optical systems, not being applicable for the cost targets of automotive welcome light projectors. To achieve a reasonable large projected image, with sharp content and high contrast over the complete lateral expansion of the image, and still using a simple and compact optical system, thus requires careful optimization of all optical design parameters, as source luminance, system etendue, depth of focus etc.
TQ Technology Product Concept:
- Single aperture projection optics based on glass gobo slide
- Configurable gobo for easy exchange / modification of logos, depending on car type.
- Optimized optical system on required tilt angle and projected image requirements.
Project Proposal / Concept Study:
