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The screen of the handheld is a key point in the development of the handheld, and in history, the reason why the handheld has been able to develop has a lot to do with the screen. Where are the novels updated the fastest? Please look for Aishang Novel Network biquge.info{Aishang Novel Network biquge.info}**

And after the screen began to become colorful and dynamic, it was at this time that technology began to limit the handheld.

If Catherine were to make a handheld that could play Super Mario now, there would be no problem at all, but there is no such screen right now, and I'm afraid the battery life is not enough.

It's not just the handheld, but this problem also exists on the beep side.

Catherine's Pip-Boy is preparing for the U.S. Soldiers' individual equipment, and these two factors are also an important key to limiting the Pip-Boy.

The personal version of the beep boy should be a simplified version of the PDA, but now the battery life problem and display problem are plaguing the development of the beep boy, so for now, the beep boy only has a car, and among the three, two of them are used in tank cars, which is not in harmony with Catherine's development strategy at all!

The problem of the screen, if it is to be solved, Catherine finally set her sights on the FED.

FED appeared very early, the so-called field emission electrode theory was first proposed by R.H. Eer and LNordheim in 1928, but the real development of field emission electrode components with semiconductor process technology, and the use of field emission electrons as display technology, was proposed by C. Aindt in 1968, and then attracted follow-up researchers to invest in research and development.

However, in this era, FED has become a research project of Catherine, and the concept has been proposed for a long time, and the company is currently working on FED in collaboration with Stanford University.

Strictly speaking, SED is also a type of FED.

And both of these displays are extensions of CRT displays.

CRT TVs have been popular until the 21st century, and they have been gradually replaced by LCD TVs, but LCD TVs are difficult to reproduce colors realistically, so many people are very dissatisfied with LCD TVs - at least Catherine is one of them.

So, Catherine is now working on the displays for FED and SED.

If there is no accident, the application of field emission electrode is not until 1991 when the French company LETI-CHENG exhibited a display product made of field emission electrode technology at the 4th International Vacuum Microelectronics Conference, field emission electrode technology was really noticed, and attracted Micron, Ricoh, Motorola, Samsung, Philips and other companies to invest, but also made FED join the ranks of many flat panel display technologies.

In the application of field emission display, there is a vacuum band between the transmitting and receiving electrodes, so a high voltage must be introduced into the transmitting and receiving electrodes to generate an electric field, so that the electric field stimulates the electrons to hit the fluorescent powder under the receiving electrode to produce a luminescence effect. This luminescence principle is similar to that of the cathode ray tube (CRT), which allows electrons to hit the phosphor in a vacuum to emit light, the difference is that the CRT emits an electron beam by a single electron gun, and controls the direction of the electron beam emission through a deflection rail, while the FED display has hundreds of thousands of active cold emitters, so the FED can achieve a space-saving effect than the CRT in terms of structure. Secondly, in terms of voltage, CRT requires a working voltage of about 1530KV, while the cathode voltage of FED is about 1KV less.

Before Catherine came here, this display had reached a voltage of only 12V.

At present, there are two main factors restricting the development of FED, one is the material of the FED, and the other is the control chip.

The CRT is a deflection electric field and a cathode ray tube, but on the FED, there are hundreds of thousands of emission fields, which is very demanding for the chip - at least, the current SFC is difficult to control. And the issue of another field emitter element is also important, and Catherine now uses micro-size arrays.

Although it is theoretically possible to realize the technology of emission display, its array characteristics limit the size of the display, the main reason is that its structure contains a round hole on each array unit, and the round hole contains a metal cone, which will limit the size of the microscopic and evaporation technology in the process of making zuò

After all, it's the 60s, and it's impossible to use carbon nanotubes as they will in the future.

Without carbon nanotubes, the size of the FED would be very large

But maybe it can be used for handhelds?

Catherine's thoughts immediately diverged.

Theoretically, FED products can be thinner and lighter than plasma or LCD flat screen TVs, and the energy consumption is much smaller than that of plasma or LCD. And it has the advantages of high brightness, high contrast, high resolution, high response speed and wide viewing angle of CRT TV, you can see a clear image from any angle, and there is no electromagnetic radiation and X-ray radiation of CRT, and the cost is not high.

The only thing to be solved now is the problem of controlling the chips.

If the resolution doesn't need to be too high, this problem may be easier to solve.

Moreover, in the beginning, you may not need to control the circuit too complicated, or even you only need black and white.

Although it is black and white, it should be better than the current LED light screen, right?

Catherine's gaze is not limited to the current square LED light screen.

After all, while LEDs are theoretically simple, they are relatively not too difficult.

However, although LED lights are more energy-efficient than CRTs, LED is still an electric tiger in front of FEDs.

But if you want to miniaturize, the cost and control are all problems, especially the brightness of this light-emitting diode is very high, and there are a lot of problems, but Catherine decided to study the FED screen.

In this era, there were no LCD screens, and Catherine's FED and SED screens, if they developed, would not necessarily develop more slowly than LCD screens.

Since 1991, carbon nanotube technology began to be used on FED screens, and in 20 years, FED has developed from a 5-inch screen to a 32-inch screen, and now it is 1967, so maybe by the end of the 90s, the world will begin to popularize FED TVs!

Catherine had no choice but to go with the flow, and she could only tell these researchers that carbon nanotubes were a good material - and on the other hand, batteries, and the problem remained unsolved.

Now, the most mainstream battery is the lead-acid battery.

Even the Apollo moon landing was ready to use this kind of battery, but this battery was later replaced by a nickel-cadmium battery, but the development of lead-acid batteries has been very prosperous, and until the 21st century, many cars still have this kind of battery.

Nickel-cadmium batteries are on the verge of being born, and for Catherine, such batteries may be a good cantilever. Before the maturity of lithium battery technology, nickel-cadmium batteries have always been stored as batteries for notes, so this kind of battery should be very good.

Lithium batteries are the most ideal batteries, and then there are nickel-cadmium batteries.

As for dry batteries, Catherine never considered them, and such batteries seem to be okay now - but historically, dry batteries did not become the power supply for handheld computers for too long, and were later replaced, and everything, 3DS and the like, are all powered by lithium batteries.

"Good! It's time to develop lithium batteries! ”

Catherine was a clapper.

Although lithium batteries, lithium batteries are very dangerous in use, and the lithium batteries used later are only "lithium-ion batteries".

Moreover, Catherine could not have studied the battery herself - she did not know anything about it!

So, Catherine made a decision: to invest in nickel-cadmium batteries first, using this product as an intermediate excess, and then develop lithium-ion batteries.

And so it was settled.

With the hot sale of the handheld, Catherine's company fluctuated a little, but with the commissioning of the new factory, Catherine basically no longer has to worry about the problem of production capacity, and she can come up with as many products as the market demand.

But at this time, Sanders found Catherine.

"Miss Edson, I would like to ask, what should we do with the plan for our LED light display?"

The company's strategy has changed, and it seems that the LED light display, which was one of the key strategies, is no longer important, and Catherine has once again set her sights on the FED screen.

"LED light screen—"

After all, it's been studied for so long, isn't it a pity to abandon it like this?

Wait a minute!

Something suddenly occurred to Catherine.

If you can't use it here, it doesn't mean that such a screen can't be used anywhere else!

The brightness of the LED light screen is very high, in Catherine's original world, such things are generally found on the streets, and Catherine feels that her idea is very useful - use it on the street!

In Catherine's original world, such LED screens were widely used. For example, in squares and train stations, there is often a screen hundreds of inches in size, and such equipment is often used in large-scale cultural balls and grand programs.

It's totally doable!

"We're going to keep researching!"

Catherine said immediately.

"In the case of LED light screens, we not only have to study them immediately, but we also have to advertise LED light screens!"

Hearing Catherine's inexplicable thoughts again, this time Sanders had learned to be obedient, and he was ready to wait for Catherine to explain things clearly, and then he would continue to speak.

Catherine then continued: "Our LED light screen is very bright, so we can use this screen on the street and for performances, isn't it great?" ”

Sanders thought for a moment, "In that case, wouldn't it be very costly?" ”

Catherine has been emphasizing one thing in the enterprise, that is, cost, upward and downward efficiency, and the whole company pays great attention to cost savings.

"Yes, but it depends on who our customers are. You say, if this is a large-scale municipal project, such a screen is very helpful to improve the image of the city, you say, isn't it very effective? ”

Sanders' eyes lit up: "Yes! We were even able to install a screen like this for free in the first place, so that once this product came out and everyone realized the advantages of our product, we could do much easier to promote it in the future."

Sanders is becoming more and more mature, and although he is still a young man in his twenties, his strategic vision has begun to grow.

"That's right, that's right!"

Catherine immediately thought of this nice plan.

"Because the LED light screen is huge, even if the performance of the chip is not good enough, we can exchange quantity for quality-"

Yes, such a "face project", in a certain way, is a project where "money is not a problem at all", and Catherine feels that this plan is really feasible.

"This thing can be done slowly, there is no need to rush, let's spread the news of the LED light screen first, and then look at the feedback from the outside - if everyone is not optimistic about this product - then forget it."

Catherine was still a little weak-hearted, after all, she didn't know much about such a large LED light screen.

All in all, the original technical research team has not been disbanded, but is preparing to change the LED light screen from miniaturization to large-scale.

At the same time, Sanders also revealed the news of the LED light screen to the outside world.

Catherine is ready to settle for the next best thing, even if it is developed from a black and white screen, but Catherine really "can't afford to raise an electric tiger" like an LED light screen.

Originally, Catherine also considered whether the LED lights could be miniaturized and low-bright, but such a thing - basically difficult to achieve, at least so far, the research of LED lamps has not made a little progress, but in the control of zhì, a breakthrough has been made, although now it is not possible to make the screen like a CRT monitor to show a complete image, but it has been able to get a blurry moving image, which is already a very good progress.

As soon as the news came along, the entire ARK company didn't feel anything out of the ordinary, they were still just buried in their work.

However, at this time, the outside world has already exploded.

In particular, those Japanese manufacturers have held several board meetings in a row!

Dai Ibuka, the founder of Sony Corporation and the developer of the original world's "Trilon" CRT technology, is also anxious at the moment.

Catherine's dazzling TV TV-GO has just come out, and it has swept the entire TV market with ferocity!

You know, in this world where most TVs are semi-circular, how powerful it would be to launch a rectangular, completely flat TV, such an advanced game console!

Because of this, the strong advantage that Japanese manufacturers already had over the U.S. TV market is gradually fading.

At this time, Motorola came to the door and began to cooperate with Sony.

Ibuka immediately realized that this was an opportunity!

Originally, Sony was also developing its own commercial products, but when the dazzling TV appeared, they were shocked to find that these products were completely ahead of them!

Not only that, but their products are completely ahead of Sony, and they are more advanced than their products, and the cost is lower - this qiē makes Jing Shen Da annoyed, and at this time, Motorola, the unjust big head, sent to the door, Jing Shen Da immediately made a plan, so that this cooperation becomes very beneficial to Sony!

But at this time, Apple actually announced the development of LED light screens?!

In fact, not only Ibuka, but also many other people think that Catherine's new product is aimed at the TV market.

After all, the product has not yet been officialized, just a message to the outside world, and the result is that the news is misleading.

In fact, LED screens do have advantages over CRT.

First of all, LED in terms of energy consumption, at least half of the CRT, secondly, LED can be made very thin, and CRT is a veritable "big man", there is no way to compare the two aspects, and finally, the brightness of LED is much greater than CRT, which is also the advantage of LED.

With so many advantages, how is it impossible for LEDs to replace CRT as the standard for a new generation of TVs?

If something like this happens, then Sony is in danger!

Not only Sony, but the entire Japanese TV industry is in danger, once this kind of product appears, their old, tattered TV will be completely thrown into the dustbin of history!

So, Ibuka Dai quickly went to find Akio Morita.

After some discussion, the two quickly held a board meeting, and then began to contact other vendors.

So,On September 1st,Sony,Sony,Panasonic、Toshiba,Began to announce the development of a "new generation of TV",But for the specific details,They didn't reveal what it was。

ARK still has no reaction to this news, neither for Catherine nor Saunders nor Olson, but there is no special reaction to this product.

Today's CRT TVs are interlaced, and in Catherine's view, the next step for CRT is to scan progressively, and then achieve HD, and so on.

The future has been planned, what else can the other party do?

As long as you can have a technical advantage over those manufacturers, how can the other party's products compete with your own products?

So, no matter who they were, they didn't have much reaction to this product - in fact, they didn't know that the other party was going to study LED TVs

(To be continued)

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