![light-bleed-led-blog-banner ac dc emergency bulb](https://vcclite.com/wp-content/uploads/2021/01/light-bleed-led-blog-banner.jpg)
Light Bleed: Here’s What You Need to Know
![design-guide-light-pipes-group vcc light pipe design guide](https://vcclite.com/wp-content/uploads/2020/07/design-guide-light-pipes-group.jpg)
Formats
![light-pipe-mounting-options ip61 a21 emergency led bulb](https://vcclite.com/wp-content/uploads/2021/01/light-pipe-mounting-options.jpg)
Mounting Options
because light sources can be attached to devices in a range of ways, there are multiple options to accommodate those design decisions:
- Press-fit – rigid light pipes are mechanically attached to the front panel (chassis)
- Board mount – these light pipes are attached to the circuit board where the LED fits inside the flexible or rigid design.
- Surface mount – flexible light pipes can be mounted to the control panel of the device
![led-specifications leght bleed led specifications](https://vcclite.com/wp-content/uploads/2021/01/led-specifications.jpg)
LED Specifications
- Type (surface mount, through-hole)
- Color
- Intensity
- Lens type
- Size
- Viewing angle
But First, What’s Light Bleed?
![led-light-pipe-light-bleed light bleed led light pipe gap](https://vcclite.com/wp-content/uploads/2021/01/led-light-pipe-light-bleed.jpg)
LED Light Bleed’s Negative Impacts
- Various LED colors shining over each other on the interface
- An unwanted glow where there shouldn’t be one
- Colors mixing together to create a new color not used in the visual vocabulary
- False readings
![light-bleed-unwanted-glow light bleed unwanted glow](https://vcclite.com/wp-content/uploads/2021/01/light-bleed-unwanted-glow.jpg)
![light-bleed-false-reading light bleed false reading](https://vcclite.com/wp-content/uploads/2021/01/light-bleed-false-reading.jpg)
![multi-led-light-bleed multi led light pipe light bleed](https://vcclite.com/wp-content/uploads/2021/01/multi-led-light-bleed.jpg)
Avoid Light Bleed with These Tips
Light bleed can pose challenges for a variety of devices and industries. Fortunately, there are design techniques that minimize or eliminate light bleed. To help ensure the best possible outcome in regard to performance, end-user experience (and sometimes costs), design decisions should be made as early as possible. Approaches to reduce light loss include:
Use the optimal LED viewing angle for your design
![light-bleed-narrow-viewing-angle narrow viewing angle led](https://vcclite.com/wp-content/uploads/2021/01/light-bleed-narrow-viewing-angle.jpg)
![light-bleed-led-distance light bleed- led adjustment](https://vcclite.com/wp-content/uploads/2021/01/light-bleed-led-distance.jpg)
Adjust the distance between your light pipe and LED
Choose the appropriate light pipe for the job
![light-bleed-lpcm light bleed lpcm](https://vcclite.com/wp-content/uploads/2021/01/light-bleed-lpcm.jpg)
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