Rebirth: I carry a desktop computer inside me

Although Jiang Cheng has graduated, he has spent a lot of effort on the field of material science.

Previously, he did not know that after simulating Asmail's lithography machine and other related precision equipment, he found that there were still many gaps in material technology in China.

In order to develop science and technology, Jiang Cheng had to invest in the preparation of new materials and other fields.

At present, although Maple Fire Group has not established this research and development department, whether it is display technology or battery technology, these are the support of new materials.

After returning to Kyoto, Jiang Cheng went directly to the new technology research and development center after visiting the EDA design and development department.

For battery technology and image sensing technology, Jiang Cheng and them exchanged the direction of research and development.

The lead person in charge of battery technology research and development, Alimu Daja, is a Uighur from Xinjiang Province, majoring in materials science and a doctoral graduate.

There is no way, now Jiang Cheng's Maple Fire Group, the threshold for coming in is not low, if you want to be the leader of a project, without one or two brushes, it is impossible and you can't convince the public.

As for the research and development of CMOS image sensors, the temporary person in charge is a professor named Wang Guohua, a professor at Chang'an Jiaotong University, a doctor of microelectronics, who develops and designs our own sensors, Jiang Cheng believes that it is very promising.

For this reason, Jiang Cheng specially communicated with him a lot.

This was also unexpected by Wang Guohua, because Jiang Cheng's depth of study of this piece was very deep, and it was not at all like a non-professional could grasp it.

However, the research and development of these two pieces can only be said to have just begun, and some materials and equipment will be purchased according to the needs of research and development.

For this area, Jiang Cheng's support is very large, in 2016 alone, the budget of 2 billion yuan in the three major R & D centers.

Of course, in this area, Jiang Cheng mainly focuses on display technology.

"Jiang Dong, according to the weekly plan, our research and development progress is relatively smooth, and at present, according to the technical ideas you put forward, miniLED lamp beads have been designed and manufactured, the size is only 0.254*0.508mm, we have laid out on a 65-inch panel, with a total of 28520 lamp beads."

Chen Yao introduced the huge panel in front of him to Jiang Cheng.

28520 lamp beads!

It's really incredible.

Jiang Cheng nodded, but his hand subconsciously touched it.

Habitually speaking, he directly simulated this panel into the simulation laboratory in the body.

Dong Junyu scratched his head and said, "However, we have not solved the problem of mixing light, in addition, we initially want to make a partition of 25 lamp beads, and our partition driver is still perfect." "

5*5 partitions, which is equivalent to 1140 partitions.

Of course, if you want to be more fine, you can have one partition per lamp bead, but this requires a large number of partition chips, and the cost is too high.

"Let's solve the problems one by one." Jiang Cheng was not worried in his heart, in his body, in fact, he had already carried out a simulation design of this technology, although there would actually be some problems, but the general direction, Jiang Cheng had already found.

"You see, instead of placing lenses on the LED lights on the backlight board, we should use a new type of material to cover all these LED lights and let the light be evenly distributed, so that there is no uneven mixing of light." Jiang Cheng demonstrated it with his hand, and then proposed the calculation formula for the uniform distribution of light, and wrote it on the clipboard.

Here, Dong Junyu understands a little, Chen Yao understands better, and listens carefully at this time.

But they were all shocked by Jiang Cheng's bold and ingenious method.

After the general backlight plate is placed with the lamp beads, in order to ensure that the backlight lamp can be evenly transmitted, there is a certain distance from the diffuser plate.

For example, the traditional direct-down backlit LCD panel, the distance between the two is 20mm.

But if Jiang Cheng is used such a design scheme, then the two are almost blinded together, and the distance can be within 1mm!

In this way, their display panel can be made thinner.

Chen Yao clapped his hands and applauded, "Yes, this plan is very feasible, and he thought of a way to shorten the distance, and simply covered the lens directly into a layer of plates and covered it." The filling glue inside must be able to mix light and transmit light, and I brought the team to think of a way to do this. "

Dong Junyu is also a little happy, originally their progress was very good, but when they came to this point, they encountered problems, but as soon as Jiang Cheng came, this problem had a direction." Jiang Dong, you are really powerful!

Jiang Cheng waved his hand, "The next problem, the problem of partitioning and huge driving, this piece, I have such an idea, our company designed the desktop processor, developed a neural network chip, this kind of chip, for this kind of complex scheduling advantages are very great." I think we can turn the central chip into our maple self-developed TV processing chip, and at the same time set a certain number of memristor chips through the multi-dimensional pulse neural network structure model for managing partitions. Based on my knowledge of memristor chips, 8 chips are responsible.

While speaking, Jiang Cheng explained and designed the driving method of this backlit miniLED.

28520 lamp beads, no longer as Dong Junyu said, 1140 partitions, but 8 large partitions, each memristor chip corresponding to 3565 lamp beads.

Each of these 3565 lamp beads is depicted with a simple circuit board behind the backplane for simple control, and then connected to a memristor chip for specific partition control.

The advantages of the memristor chip, coupled with the fast transmission and distribution calculation characteristics of Jiang Cheng's neural network model, can make the entire panel display as you like.

This idea, after being introduced by Jiang Cheng, Dong Junyu's wide mouth finally closed, swallowed saliva, and did not come to his senses for a long time.

Several other technical backbones are also in a semi-confused state.

Because Jiang Cheng's idea was too advanced, it completely interrupted the technical knowledge they had always learned.

In their eyes, now is the problem of partitioning and giant drives.

Either it is divided into large and medium partitions, each controlled by 1 or 2 chips, so that dozens of large partitions are enough.

Either each LED is controlled with a chip, and the chip is densely covered.

But Jiang Cheng's method puts the control on the memristor chip, and the switch circuit of the lamp is engraved on the back of each lamp bead.

It reduces the difficulty of chip control and makes it possible for one chip to control 3565 lamp beads.

"Jiang Dong, I think our chip docking team should learn from our new chips, and we must design our miniLED display chip with the semiconductor TV chip team!"

Chen Yao is also excited, "If this technology can be mature, whether it is a display screen, or even a mobile phone or tablet, we can try it." "

It's just that the upfront costs are a little higher.

But that's what new technologies do, first releasing at a high price, then slowly maturing, and then being able to launch applications at scale.

Perhaps through this method, one day the super huge amount of drive control of microLED lamp beads can be realized, so who is competing with this display technology?!