The original strategy
It'h become around one yr since I experienced a plan to create a 4k beamer.
At 1st period, I attempted to use 15.4 in . 4k LCD as there are several taobao sellers selling 4k boards to drive the LCDs.
Nevertheless, there are usually many obstacles in the usage of 15.4' LCDs.
Nevertheless, there are usually many obstacles in the usage of 15.4' LCDs.
LG HF85LS (Allegro 2.0) Kurzdistanz-Beamer - Hands on. Habt ihr schon einen Beamer oder doch. Here, the 4k means '3840x2160' resolution (called 2160p) upto 60Hz. Why did I make this little 4k beamer? In the current market, commercial 'real 4k' beamers are only made by Sony, and the price starts at 9,999 USD except the discontinued models. The another type of 4k beamer uses so called 'e-shift.
- Poor driving panel : In taobao.com, various sellers market the planks. To end up being straight, all the planks are garbages. It utilizes DP cables, and the duration is restricted. In inclusion, it functions just with some specific VGAs. Really, I purchased it and tested. No worth to use it.
- Size constraint : if you go for 15.4'. the dimension will end up being huge. Furthermore the throwing distance would become restricted.
- Lens constraint : the zoom lens combination to become utilized with 15.4' LCD can be limited. Not really so many choices. If you possess issues, you will possess the issue permanently as there are not many alternative components.
Projection zoom lens: N260 (from taobao), around178 yuan. - Condenser zoom lens: square-round form condenser (from aIiexpress),26$
- Brought light motor and proper constant current driver: (from taóbao), around1000 yuan. You must speak to the vendor that you want to purchase a 200 watt LED (imprinted SSD-90. it will be not SSD-90 actually, but altered version) with a CC car owner. He can talk understandable British. Tell him that<ém>bumhee34introduced him to yóu.
<ém>Update on LED : this seller will create 300watt LED shortly, I do not understand whether to test. You may try if you are usually serious.ém>ém>
Last Material Sources
Lastly, I could get a 10.1' 4k LCD with a appropriate driving panel.
I tried to construct my 4k beamer with the LCD, and examined many lenses.
Luckly, the unpleasant experiments were worthy to create this so-satisfactóry 4k beamer.
Allow me critique the final material resources:
- Power source for enthusiast and LCD driver: 60W SMPS from aliexpress,6.30$
- LCD and LCD board: 10.1' 4k LCD design no. :TVTV101QUM-N00, get in touch with Daniel Lee fróm APTus. The complete price had been around250$eliminating shipping cost. I has been told that they are not prepared to create more planks as there are not enough needs. But I think they will generate it once again if numerous guys consider to make contact with Daniel Lee. Tell him that Bumhee Cho launched him to yóu.
<ém>Up-date on boards : the corporation appears to produce the panel again.ém> ETC: Buy minor things based on your flavor. AND prepare your fancy fingers.
Héatpipe for Directed chilling: you have got many options. anyhow I bought it from taóbao,100yuan. It is briefly out of share, but you can buy similar things. Lookup @ aliexpress.cóm.
Strength source for LED: 240W SMPS from aliexpress,17.10$
Yóu may want this: Safeguard Television, to appreciate Netflix in 4k (Ultra HD), I purchased it.
Advantages and cons
It is certainly so apparent that this DIY beamer provides advantages and cons as follows:
Benefit :
Restrictions :
- The major drawback of any kind of DIY beamers is poor lighting. This 4k beamer has brightness related to most of small beam projectors. BUT, it is super good under dark atmosphere. My friends said 'wow wow whaooo!!'. Technically, there are ways to enhance brightness using fly eye Iens, PBS, and étc (Thx to Ryán Schmit to allow me know these technology.), but this will double (or even more than that) the cost and period.
Right now, you can determine whether to make this or not!
Allow me start!