Panasonic 56" 4K OLED TV 更详细信息（英文）

许仙1414

Panasonic shows a 56" 4K printed OLED TV prototype


Panasonic unveiled a 56" 4K (3840x2160) OLED TV panel prototype that was produced using an all-printing method. Panasonic calls this the "RGB all-printing method" and they say that all the organic materials were deposited using ink-jet printing. Panasonic says that their OLED panels deliver superb image quality, high contrast and fast response rate. The panels are efficient, ulta-thin and light weight. Panasonic considers OLED as a "promising option for next-generation displays".



Panasonic's panel uses a top-emission structure with a transparent cathode, which results in a more efficient panel (Sony's OLEDs use the same structure, this may be Sony's technology). The panel's TFT substrate was supplied by Sony (so it's probably an Oxide-TFT based panel) as part of the two companies collaboration. Interestingly, even though it seems that they use red, green and blue sub-pixels, Panasonic applied a color filter layer as well - to tune the emission color and achieve high color purity and "superb color reproduction".


Ink-Jet printing is a promising manufacturing process to produce OLED panels as it's quick, precise (i.e. enables high pixel densities) and efficient (very little material waste). This kind of process requires soluble OLED materials.
Back in September 2012 it was reported that Panasonic has taken steps to streamline its R&D and put more focus on OLED TV development, with plans to invest ¥30 billion ($385 million) in a pilot AMOLED production line in Himeji (this was already reported in April). It's likely that this new panel was indeed produced in that Himeji R&D line.
Panasonic has been working on OLED printing technologies for quite some time. Back in 2009, Panasonic teamed up with Sumitomo to jointly-develop OLED TVs, based on Sumitomo's P-OLED materials and technology. I don't think this partnership is still active. Sumitomo is building a large P-OLED material factory aiming for OLED TV applications - perhaps this TV uses those materials (although it's also likely that Panasonic is using small molecule soluble materials).
Panasonic is collaborating with Sony on OLED TV panel production technology. Sony just unveiled their own 56" 4K OLED TV prototype, developed together with AUO, and as far as we know is made using an evaporation process.

许仙1414

虽然是RBG分离形式，松下还是采用了一层滤色膜。作用是提高色纯度与调整色彩，使得颜色再现更精湛。

许仙1414

文章猜测松下这个屏的制造地是Himeji---姬路。

许仙1414

文章不能肯定松下这回采用的OLED材料是聚合物型还是小分子型的

spacefram

千万不是偏色的货。

许仙1414

spacefram 发表于 2013-1-10 14:28
千万不是偏色的货。

有得必然有失！
喷墨打印需要溶剂型材料，普通蒸镀型材料不能使用，因此这个要达到蒸镀型材料相同的色彩性能是难一些。
所以滤色膜是必须的。
加了滤色膜，牺牲了一点亮度后就OK了。

许仙1414

许仙1414 发表于 2013-1-10 14:23
文章不能肯定松下这回采用的OLED材料是聚合物型还是小分子型的

这回终于肯定，确实是聚合型的OLED材料（PLED）.

聚合物型OLED终于修炼成形

melfes

许仙1414 发表于 2013-1-10 14:17
虽然是RBG分离形式，松下还是采用了一层滤色膜。作用是提高色纯度与调整色彩，使得颜色再现更精湛。

和STE结构差不多...
利用CF进一步提高颜色纯度

chncwk

比等离子好还是差？