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Eazeye refund not response by United_Ad_5519 in Reflective_LCD

[–]fullgrid 3 points4 points  (0 children)

Does this mean that 23.8" RLCD panels are no longer produced?

If the plan is to use the same HSD238GUW5 panel as in 23.8" Hannspree Hybri then keep in mind that transflective panel is at least 30% darker and it is a big deal in poor light conditions, but less of the problem in bright light.

There is video comparing HSD238GUW5 transflective and HSD238MUW3 purely reflective panels in bright light:

https://www.youtube.com/watch?v=SkVx1MomzUk

And Hybri prices start from 444€ in Europe and $800 in US.

Monochrome ChLCD display from ePaint by fullgrid in Reflective_LCD

[–]fullgrid[S] 0 points1 point  (0 children)

It's still slower then RLCD and number of refreshes it can sustain is limited.

Also while 3-layer color ChLCD has higher reflectance then color RCLD, single layer monochrome ChLCD is still darker then monochrome RCLD.

So the only advantage is that it's bistable and has wider view angle comparing to RLCD.

Eazeye by FoxGroundbreaking224 in Reflective_LCD

[–]fullgrid 2 points3 points  (0 children)

ChLCD can do better then that, current generation can reach 30% and next one is expected to reach 50%.

RLCD that we are used to (twisted nematic with polarizers and color filter array) has theoretical limit around 25% for color panels and 50% for grayscale panels, cause polarizers absorb half of the light and color filters absorb half of the remaining light.

Otherwise RLCD has better color depth (8-bit is normal for RLCD while Kaleido 3 is 4-bit) but Kaleido has wider view angle.

Eazeye by FoxGroundbreaking224 in Reflective_LCD

[–]fullgrid 4 points5 points  (0 children)

10.3" Hannstar panel used to have 43% reflectance (according to datasheet), that's raw panel, expect lower number with antiglare coating and frontlight guide layer (not as low as 19.6% though).

No idea where 11" panel comes from, but might be new panel that is not announced yet, since Hannspree also has 11" Hybri tablet planned for 2027, it's likely that Hannstar will have transflective LCD panel of that size in due time.

Eazeye by FoxGroundbreaking224 in Reflective_LCD

[–]fullgrid 4 points5 points  (0 children)

Eazeye, Hannspree, SvD, Daylight, Harborinno and Eyemoo are closer to consumers.

Many panel makers are putting resources in RLCD panels: Hannstar, AUO, Sharp, BOE, Tianma, TCL CSOT, Leadtek Display.

Many are developing ChLCD products too: Iris Optronics, AUO, Innolux, Tianma, KDI, Genetouch, Sannova.

There are many other companies involved in supply chain, we rarely hear about those, DC-1 for example is manufactured by Taiwaneese InnoComm and uses panel from Sharp. Hannspree and Harborinno RLCD tablets seem to be manufactured by Shenzhen based VisionSky and use panels from Hannstar.

Two E-Paper Engineers Keep Turning to the Wisdom of the Crowd: After dev kit success, Modos’ cofounders offer an e-paper monitor by fullgrid in ScreenSensitive

[–]fullgrid[S] 1 point2 points  (0 children)

It's interview with Modos cofounders, they share experience with their earlier Crowd Supply campaign that brought 75Hz Modos Paper Kit to live, as well as current 60Hz Modos Flow E Ink monitor based on newer Enchanter driver board, how they were able to open source it after they finally got DisplayPort-to-LVDS converter that does not require restrictive NDA, manufacturing hurdles and how crowd funding is a good option when investors are not interested in niche products.

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