LG is out to dazzle with its talented new 4K Ultra HD smart TV


Like watching real life

By Paisal Chuenprasaeng
The Nation

You get an absolutely excellent HDR picture from the LG 55UJ630T 4K Ultra HD smart TV. The 55-inch IPS 4K display has 3,840×2,160pixel resolution, great contrast and vivid colours. You can even get 178-degree wide-angle views.

High Dynamic Range at HDR10 and Hybrid Log Gamma (HLG) combine to enhance content quality, so the tiniest detail becomes clear.

HDR Effect will upgrade SDR (Standard Dynamic Range) close to HDR quality, while a 4K Upscaler boosts picture resolution to 4K.

There are several picture modes, including two “expert” modes for fine-tuning and optimising according to the lighting in the room.

LG 55UJ630T

The other modes are Game, Cinema, Football, APS (Auto Power Saving) and Standard.

I really enjoyed HDR Effect, setting the colour choice to “vivid”.

Among the sound modes are Smart Sound, Standard, Cinema, Clear Voice III, Football, Music and Game.

I enjoyed Ultra Surround Mode because of the way it deepened the bass. It creates virtual surround sound from the TV set’s stereo speakers and hiked the bass for a throttling movie experience. The TV speakers generate 20 watts.

The set will play 4K HDR movies from a USB drive. I found that two video clips provided by LG on a USB drive played smoothly, with very crisp details and luxurious colours. Details in the shadows could be seen clearly.

I connected the TV with Wi-Fi 802.11ac to my home router on True Online’s True Super Speed Fibre of 50/20Mbps and streamed 4K HDR clips directly from YouTube. They played smoothly and the pictures were impressive with bright colours and sharp details. Birds, fish and other wild animals came to life on the screen.

Movies beaming into my TrueVisions satellite box in Full HD resolution also looked beautiful on the 55UJ630T thanks to the upscaler and HDR Effect.

The YouTube app is part of the 55UJ630T smartTV function based on LG’s webOS 3.5 operating system. This OS made it easy to set up the TV and select content when using with LG Magic Remote that’s sold separately.

WebOS 3.5 will display a Launch Bar to allow access to content and switch between input ports easily. When you open a TV source device connected to an HDMI port, the TV will automatically change to that port.

WebOS also made it easy to tune in to terrestrial TV channels. It has builtin digital tuner and has no problem tuning in to the digital channels available in our country.

But the fun of the webOS is that you can install several more apps, including some for watching popular IPTV channels and video on-demand services such as Netflix. Several games are also available.

The 55UJ630T UHD 4 Ultra HD Smart TV from LG has a suggested retail price of Bt25,990.


– Operating system: webOS 3.5

– Processor for smart TV: Quadcore

– Display: 55-inch IPS with 3,840×2,160pixel resolution

– Audio: 2.0 channels with 20 watts output

– Connectivity: Three HDMI ports, two USB ports, one component, Bluetooth, LAN, Wi-Fi 802.11ac, one digital optical output, one headphone out

– Dimensions: 100x55x5mm

– Weight: 14.3 kg (with stand)


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