Every year on June 6th is China's "National Eyeful Day," and Cool Open chose to release an A3 eye-protection TV with optical anti-Blu-ray technology on this day. Actually, many TVs in the market have eye protection functions, but when the eye protection mode is turned on, the screen will be distorted and yellowish, which will greatly affect the viewing effect. How does the CoolOpen 55A3 prevent Blu-ray? Let's take a look at the specific performance of this TV. 
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Appearance: An Art TV
The design style of the Coolo 55A3 is very similar to the T55 released last year with the high-profile positioning of “Art TVâ€. In particular, the bottom of the fuselage has a dark grey linen decoration, which is low-key and atmospheric, and distinguishes itself from other all-metal TVs. This TV has added a lot of art.
Cool open 55A3 appearance
Bottom dark grey linen decoration
Acoustic unit from JBL
Energetic and enthusiastic cool open logo
The logo on the left side of the "JBL" indicates that the TV has a high-definition audio unit, and its sound performance will be described in detail later. On the right is the logo of Coocaa TV. It represents energy and enthusiasm and conveys the idea of ​​"playing out".
Suspended frameless design
Body thickness is comparable to iPhone SE
As with many smart phones, the suspension has no border design, and when watching TV, the line of sight is not bound by the frame, and the visual effect is very shocking. The thickness of the body is only 7.9mm, which is basically the same as the thickness of the iPhone SE, and is even thinner than many TVs with slim design.
Cool open 55A3 TV side
Cool open 55A3 TV back
Back subwoofer and audio unit
Unlike many ultra-thin TVs, the Coolopen 55A3 uses an integrated diamond-enhanced metal backplane design, so there is no need to worry about the impact of ultra-thin design on the strength of the fuselage. In addition, you can see the back of the independent subwoofer and audio unit, which makes flat-panel TV has a rare good sound quality.
Interface section
Interface is located in the left side of the fuselage, easy to insert and pull, including two USB3.0, RF input, headphone output, audio and video input, 3 HDMI 2.0, network, coaxial audio output, etc., to meet the needs of most of the daily use, but also USB and HDMI are the latest interface specifications and can realize high-speed data transmission.
Flexible and compact remote control
The design of the remote controller is simple, with 13 buttons in total, supporting infrared and Bluetooth connections. It is recommended that you use a Bluetooth connection. You do not need to be limited by the direction when you operate. In addition, this remote control supports voice control, and there will be more detailed experience behind.
Optical blue light eye color
In terms of picture quality, it focuses on its optical anti-blue light technology. Although many televisions have anti-blue eye protection modes, they all use external forces to intercept blue light, which in essence does not reduce the generation of harmful blue light, but also causes picture distortion and yellowing. , affect the viewing effect. Cool open 55A3 uses optical anti-Blu-ray technology, through the anti-blue light beads to solve the blue light from the light source, will not affect the blue light to send a normal color, the picture will not appear yellowish, and other TV's normal display state to see There is no difference.
Cool open optical anti-blue light technology principle
The effect of the screen after the eye protection mode of a TV is turned on
Cool blue light detector
The more blue you see with a blue light detector, the more harmful blue light
With the Blu-ray detector, you can see that the cool-open optical anti-blue light technology basically stops the blue light from being generated by the TV, greatly reducing the damage to the eyes caused by blue light, and the other TV set with it can see that a large amount of blue light exists.
Cool open 55A3 anti-Blu-ray detection and certificate
Coocaa 55A3 passed the German TUV Rheinland Group's anti-blue eye detection, Germany TUV Rheinland Group is one of the world's most authoritative three major testing and certification agencies, services include industrial and energy services, electrical and electronic product testing, communications testing, consumer products Testing, ergonomic assessment, transportation services, rail system security, green product certification, Rheinland College and life care and management systems, and other inspection and certification services are organizations with hundreds of international certifications such as ISO9001.
Cool open 55A3 use LG original 4K screen, due to the use of a three-tier integrated module design, and in the backlight film to add double brightness enhancement film, so that the screen brightness has been improved, the measured brightness of 323 nits; and in pure black Under the scene, there is no obvious trace of light leakage, and the black screen is sufficiently uniform.
Light leakage test
HDR source playback
Dynamic picture test
Not only has a higher brightness performance, cool open 55A3 support HDR technology, HDR video playback can see more highlights and shadow details, while supporting MEMC motion compensation technology, in the performance of high-speed train train smearing, jitter The greatest degree of inhibition has been achieved.
Three-way design of high-standard JBL audio unit
For most flat-panel TVs, the sound quality has always been short, and the 55A3's performance in sound quality may exceed your expectations. Built-in 6 JBL original speakers, they use high-end audio only high school low three-way design, 2 silk film tweeter, 2 high-frequency unit and 2 3 inch low-frequency unit can work independently, making the sound pure and With a rich sense of depth, you can also experience the bass sound of yours.
The movie "Goldheart Hacksaw Ridge"
We got the best mix of Oscar's "Battle Hacksaw Ridge" to get a taste of the cool open 55A3's sound performance, the latter half of the film's squeaking sound, cannonball sound, screaming sound, horn sound constantly, from this fragment can be obvious Feel the 55A3 bass is very powerful, and the three-way design is very good for the cruelty of the war. The impact is very strong.
One-touch Bluetooth mode
Such excellent audio is only a pity if you only use TV to watch. The audio unit of Coolopen 55A3 supports independent use. You only need to press the bluetooth audio switch on the left side of the TV to turn it into a Bluetooth stereo, mobile phone and other devices. After it is connected, the screen will automatically shut down and you can quietly enjoy the melody brought by high-quality audio.
Smart and easy to use cool open system 6.0
The CoolOpen system equipped with the 55A3 is a new version of the 6.0, which has a major change from the previous 5.5 and 5.8. The homepage presents content in the form of information flow. There is no complicated hierarchical structure. Just press the remote control key to find the content you want to see.
Cool open system 6.0
Home Icon Support Move/Remove
Common software added to homepage
The top section icons can be added or removed according to individual needs, and the commonly used software applications can be placed directly on the home page, which can be opened soon after power on.
Speech function demonstration
Variety show features
Cool open system 6.0 is equipped with a new artificial intelligence voice function - cool open wizard 2.0, search hot play, tell jokes, listen to music, play games, watch live, you can boldly engage in dialogue with the TV. For example, direct search "Ecstasy 38th episode", "fast forward 10 minutes", etc., can completely replace the complex remote control button operation. There is also an interesting function in Cool Open Gen 2.0, which can be viewed when watching cross-border song king, singer, legend of laughter, talk show tonight and the most powerful brain variety show. Ask the TV what to watch, you can directly see the part you want to see.
Floating toolbar
Regardless of the display interface, long press the menu key will appear a floating toolbar, the program being watched will not be disturbed, very intimate and convenient, similar to this feature in Cool Open System 6.0 there are many.
Iqiyi Video Resource+Children Mode
The content of Coolopen 55A3 is mainly from iQIYI video. The Great Wall and Kidnappers are all popular movies that have not been released for a long time. The TV dramas such as "Ode to Joy 2" and "Workplace is a technical activity" are hot on TV. Broadcasting, variety shows have "Run it", "Qi Yu said" and so on.
Film, TV drama, variety show resources
Personalized topic classification
There are a lot of special topics on the remote control. For example, “The old driver must watch the nets! The car is inattentive,†and “The chick is the goddess and the goddess is standing on the sidelines.†The carefully categorized thematic categories allow the richness of the content of the TV. There has been a clear improvement.
Cool kids with high quality content
Kukai 55A3 also has a well-designed children's model. It not only includes high-quality animated cartoons such as Piggy Peggy and Super Pan, but also has built-in Bevaar songs, baby buses, talented little worlds, Wukong mathematics, Yifang Happy School, and parent-child time. The Quality Education for Children is a good content for children to watch. In addition, you can set up software that can be opened in the children mode. Exiting the child mode requires answering a simple math problem.
Flagship configuration: MSt**A938, 3+16GB
Cool open 55A3 hardware specifications
60 frames of 4K video can be played smoothly
Cool open 55A3 uses the annual flagship chip MSt**A938, a variety of video formats can be normal decoding, 60 frames of 4K video can also play smoothly without Caton. With 3GB of memory and 16GB of flash memory, the fluency of the system is guaranteed. You can install any application on your TV without restriction.
Experience summary
Cool Open has joined the children's model on TV very early on. A series of quality premium content allows children to learn a lot when they watch TV. After joining the optical anti-blue eye protection technology, Coolo 55A3 can be more comprehensive. Take care of your child's eye health. In addition, the cool open 55A3 also has a design full of artistic style, JBL original audio, intelligent easy-to-use cool open system 6.0, high hardware specifications, etc., is highly recommended.
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FEATURES:
High intensity and reliability
High quality, Low power requirement and low cost
IC compatible , Easy assembly
Meet RoHS EU Directive
ESD 2000V
10 segment led bar ,red led bar ,yellow green led bar
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