If you want to get a glimpse of what Youtube thinks "8k" quality is: This video is available from there in 7680x4320:

The 4320p version is streamed by Youtube in embarrasing 23 MBit/s, and looks like shit whenever there is motion/complexity in the scenery.

I guess the good news is that now you can upscale your 1080p videos to 4320p, and ask your Youtube viewers to downscale them back to 1080p, giving them an adequate bandwidth (23 MBit/s) for 1080p viewing without noticable compression artefacts. Let's hope Youtube will stream 16k videos soon, with a bandwidth reasonable for 4k content... :-)

The 133 megapixels sensor to allow four pixels:

R G

G B

to capture one pixel in the 8K video:

http://www.forzasilicon.com/2015/03/nhk-and-forza-silicon-present-133-mpixel-60-fps-cmos-image-sensor-at-global-ic-design-conference-isscc/

Panel makers aim to tackle the 8K market starting 2018 when Japan will offer various channel transmissions in 8K, and the World Cup is held in Russia. Demand will continue to grow around 2020 when major sporting events will be held in Japan.

Makers such as BOE and Sharp have so far shown some of the most active development in 8K panels, despite that 4K TVs are expected to hold over just a 13% share of global LCD TV sales in 2015.

Sharp will play a major role in supplying 8K panels in the future and will use 10G facilities to produce the technology, while BOE aims to do so at its 10.5G fabs, with an emphasis on 98- and 82-inch units. LG Display meanwhile is currently looking to production of 55- and 98-inch

http://www.digitimes.com/news/a20150623PD203.html

8K TVs from LG Electronics and Sony will be on display and consumers can also expect to see a new lineup of QD TVs.

CES 2015 :-)

There is a long living for 1080p, and maybe it will not be surpassed by 4k, maybe both will coexist for tv broadcast and cinema theaters for long time...

In my country 4K is expected to become a default broadcast signal only in 2022 and I believe not all TV stations will upgrade so fast, because most of people will not buy another tv set (4k) if they already have a ful lhd (1080p) tv set. I feel there will be a long coexistence for 1080p and 4K in cinema and tv.

If someday 8K turns into a popular broadcast signal with affordable tv sets to buy, things will become weird... The resolution is so high...

The first time I saw a 4K TV set was in the shopping mall in a big store. It was a Sony 55 inch 4K tv with a sony demo 4k footage showing a soccer game. This was some months ago. I saw this same tv set some days ago in a FIFA world cup event showing the same 4k soccer footage. Both times I had the same sensation. I had a feeling that the reality was in front of me, it was almost the same thing of seeing the game in the stadium, almost a virtual reality... It was weird... The image was no more a representation of the reality, it was almost the reality...

So, I think the 8K broadcast shoot with a 133 megapixels sensor will be so good in resolution and dynamic range will be so improved in future sensor technology that it will make us to be confused if we are seeing a tv set or if we are seeing the reality in "personal-view"... Don't be scared if you respond good night to a talking head in a 8K tv... Wild life, nature, travel and so on will be so amazing quality in 8k that people will not need to travel, to journey anymore... this will hurts transport and host business. Porn movies will make you accomplish your fantasy to be togheter with the pornstar... Just buy an automatic sex handjob machine and plug it into the automatic rhythmic usb port of the 8k "violet-ray" player... I can imagine enourmous screens in the malls, restaurants, pubs, showing different kind of images which will confuse you with the reality, scenarios, virtual places will be built in pubs, restaurants, nightclubs...

The pixel is so small to be perceived even close to the screen. an image with the same size of a urban bus can be seen only 3 meters away without perceiving the pixels. I did a draw in a white wall of black square pixels with 1 milimeter in size forming a diagonal line, some kind of a stairs of pixels. I started to walk backward and when I was at 3,33 meters away it turned into a line, no more stairs. So a 8K image shoot with the 133 megapixel sensor can have 7,68 meters horizontal by 4,32 meters vertical and I will not see the pixels at 3,33 meters away... smaller screens can be seen even closer... this will be the reality in front of me... it will surpass the concept of a tv or cinema, it will turn into something else... For more than one century the image and sound makes people to cry... This 8K thing in 3D will make people to pee...

8K test in Fifa World Cup 2014 (tv news report):

http://globotv.globo.com/rede-globo/jornal-nacional-na-copa/v/transmissao-experimental-em-8k-e-realizada-durante-brasil-x-camaroes/3446300/

The 133MP sensor:

http://www.nhk.or.jp/strl/open2014/tenji/tenji20/index_e.html

http://www.guru3d.com/news_story/japanese_company_designs_133_megapixel_sensor_for_8k_recordings.html

This will be great for theatre, and I don't see it being at mass consumer prices for many many years. They have to milk 4k first!

You can be wrong here. As 8K panels allows very good glass free 3D also :-)

Companies have no trouble producing panels with necessary density already.

Good article about 8K sensor by NHK

http://www.nhk.or.jp/strl/publica/bt/en/frm-set-fe552.html

Taiwan-based TFT-LCD panel maker Chimei Innolux (CMI) will have 4Kx2K high-definition (HD) panels mass produced and ready for sale by early October, making it the world's first mass producer of the technology, according to company STSP branch president Wang Jyh-chau.

CMI has started production of 56-inch 4Kx2K HD panels mainly for medical applications, and will additionally begin production of 50- and 65-inch 4Kx2K HD panels for medical and commercial applications, Wang indicated. Six leading China-based LCD TV vendors have designed-in such HD panels and will soon unveil corresponding TVs for launch in the forthcoming peak sales period in early October, Wang pointed out. CMI will compete for orders for such 4Kx2K HD panels from Japan- and South Korea-based LCD TV vendors, Wang said.

The production of 4Kx2K HD panels is for product differentiation in the second wave following the offering of TV panels of two new sizes, 39 and 50 inches, in 2011, Wang indicated. Monthly shipments of 39- and 50-inch TV panels will exceed 2.0 million units in the third quarter of 2012, Wang noted. In addition, CMI began production of 58-inch TV panels, another new size, in August 2012, with a 5.5G glass substrate cut into two such panels at using nearly 95% of the substrate, Wang pointed out.

Via: http://www.digitimes.com/news/a20120903PD218.html

Things are going fast.

I love the practical conclusions by Dr Kubota in the videos of this article...

http://recombu.com/digital/news/what-is-super-hi-vision-shv-ultra-high-definition_M10844.html

8K at 120Hz video will be the last 2D broadcast format derived from practical limits of Vision (not tech) and 1080p for small portable devices

22.2 audio downconverted to the home for 5 speaker playback is a realistic enough approximation for surround sound (nobody really wants more speakers than that in a living room anyhow)

this tech is our final 2D standard until we get real, 3D glasses-free tech working that doesn't harm our vision... (current 3D pushed is far from real 3D and still not ready for 24/7 viewing)

You can disagree with his conclusions, but I admire the straight talk!

PS. NONE of the cameras featured in the Zacuto shootouts meet this generic spec yet, so the upcoming professional broadcast 2D cameras will still matter for a while longer...

LCD monitors that have high resolution and are large and thin in size will continue to be the monitor trend throughout the second half of this year and 2013, accoridng to industry sources.

Sources said that monitor makers are proactive in making 21- and 24-inch thin sized monitors at present and are aiming at producing 4Kx2K ones by the end of the year in order to stay competitive with notebooks and tablets.

The high-resolution monitors will reportedly be geared towards niche markets in the beginning of 2013 due to their high costs but are expected to come down in price in the future.

Via: http://www.digitimes.com/news/a20120827PD208.html

While it's nice to see rational standards established in advance of the introduction of new video formats, I doubt that 8K or even 4K workflows will become practical for independent productions any time in the near future. What I'd find far more useful would be the commercialization of High Dynamic Range 2K video acquisition and display technology, along with compressed RAW data formats similar to Nikon's compressed NEF files. At this point, the only commercially available HDR HDTV display is the Dolby PRM-4200 Professional Reference Monitor ($40000):

http://www.dolby.com/us/en/professional/hardware/video-monitors/prm-4200-professional-reference-monitor.html