JP2007242979A - Structure and method for improving gray scale display function of light emitting diode - Google Patents

Structure and method for improving gray scale display function of light emitting diode Download PDF

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JP2007242979A
JP2007242979A JP2006065122A JP2006065122A JP2007242979A JP 2007242979 A JP2007242979 A JP 2007242979A JP 2006065122 A JP2006065122 A JP 2006065122A JP 2006065122 A JP2006065122 A JP 2006065122A JP 2007242979 A JP2007242979 A JP 2007242979A
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emitting diode
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Shih Ting Chang
士庭 張
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Holtek Semiconductor Inc
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a construction and a method for improving gray scale display function of a light emitting diode. <P>SOLUTION: A basic design mainly comprises a current source, an amplitude regulating temporarily storing container, a current setting temporarily storing container and a timer setting temporarily storing container. The current source provides a current to a light emitting diode. The amplitude regulating temporarily storing container can store a supply current numerical value and a timer numerical value which a user defines. The current setting temporarily storing container outputs them to a current source based on a current numerical value which the amplitude regulating temporarily storing container defines. The timer setting temporarily storing container controls the maintenance time of a current numerical value output by the current setting temporarily storing container, based on a timer numerical value defined by the amplitude regulating temporarily storing container. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は一種の発光ダイオードのグレイスケール表示機能を向上させる構造及び方法に関する。特に、使用者が定義する振幅調節（Amplitude Modulation、AM）のパルス幅調節（Pulse Width Modulation、PWM）を利用した発光ダイオードのグレイスケール（Grey scale)表示、即ち、絵素が連続的に変化可能な表示機能を向上させる構造及び方法に係る。   The present invention relates to a structure and method for improving the gray scale display function of a kind of light emitting diode. In particular, the gray scale display of light emitting diodes using pulse width adjustment (Pulse Width Modulation, PWM) defined by the user (Amplitude Modulation, AM), that is, the picture elements can be changed continuously. The present invention relates to a structure and method for improving a display function.

電子産業の進歩に連れて多くの警告表示、動画或いは広告製品に発光ダイオード（LED）が応用され、製造されるようになっている。新たな動画を具えた信号機、大型LEDにより構成する広告看板などは発光ダイオードの応用に適した分野で、高輝度、長寿命、超大型の看板を製作可能等の長所があるため、広く応用され、開発が行われている。
伝統的なネオン板（Electro Luminescence、EL）の絵素が連続的に変化可能であるグレイスケール(Grey scale)制御技術において、パルス幅調節（Pulse Width Modulation、PWM）は最も歓迎され、かつ広く見られる方法である。その原因はパルス幅調節の制御方法がデジタル制御であり、制御の精度において、電流アナログを利用する調節方法に比べ優れており、かつ該パルス幅調節技術の成熟に連れて、該制御方法に必要な費用も低廉化しているからである。
図１の公知のパルス幅調節技術方法の発光ダイオードの制御電流に対する理想出力図に示すように、該図形の横座標は時間で、かつ縱座標は電流値ある。該パルス幅調節の方法は多くはリニアの制御方法で、それはN個のグレイスケールシステムを利用し、点灯（Light On）の区域をN-1等分に分割する。グレイスケールの設定が1時（第一区域10）である時、一段階（Step）時間の電流を出力する。但し、実際の作動においては、電気特性の反応は図１に表示するようには完璧ではない。 With the advancement of the electronics industry, light emitting diodes (LEDs) are being applied and manufactured in many warning display, video and advertising products. Traffic lights with new videos and billboards made up of large LEDs are suitable for light-emitting diode applications, and are widely used because of their advantages such as high brightness, long life, and the ability to produce ultra-large billboards. Development is underway.
Pulse width modulation (PWM) is the most welcome and widely used in the gray scale control technology, where the picture elements of the traditional neon plate (Electro Luminescence, EL) are continuously variable. Is the method. The reason for this is that the control method of pulse width adjustment is digital control, which is superior to the adjustment method using current analog in control accuracy, and is necessary for the control method as the pulse width adjustment technology matures. This is because the cost has been reduced.
As shown in the ideal output diagram for the control current of the light emitting diode in the known pulse width adjustment technique method of FIG. 1, the abscissa of the figure is time and the ordinate is the current value. The pulse width adjustment method is mostly a linear control method, which uses N gray scale systems and divides the light on area into N-1 equal parts. When the gray scale setting is 1 o'clock (first zone 10), a current of one step (Step) time is output. However, in actual operation, the electrical property response is not perfect as shown in FIG.

続いて、図２の公知のパルス幅調節技術方法の発光ダイオードの制御電流に対する実際の出力図に示すように、固定電流源（Constant Current Source）は初期段階では、ネオン板充電に対して上昇時間（Rising Time）を生じる。該上昇時間はグレイスケール設定中に形成され、本来は均等面積であるべき第一区域21及び第二区域23は異なる位置の状況を生じる。その第一グレイスケール曲線22は該第一区域21の面積を縮小させ、この問題はグレイスケール設定が2段階である時の通電量に影響を及ぼし、1段階の2倍とはならない。これでは、グレイスケール設定のリニアは失われてしまい、該第一区域21の上昇時間はネオン板の静電容量値及び抵抗値により決定され、さらには各異なるネオン板は皆異なるグレイスケール状態を呈するため、効能に対する制御は非常に困難となる。
さらに、図３の公知の予め充電する方法を利用し発光ダイオードに対して制御する電流出力図に示すように、上述の問題を改善するために、予め充電（Pre-Charge）する方式により解決する方法が開発されたが、その具体的な方法は比較的高電圧を利用し予め充電する方法で、第一グレイスケール曲線33は上昇時間が短縮される。この方法は第一区域31及び第二区域32の面積接近を解決することにより、上昇時間が生み出す問題を解決することはできるが、過度に高いプレ充電方法はELの点灯を早くしてしまう。これによりグレイスケールが1段階である時、点灯してしまう程度は第一区域31だけでなく、第三区域34に第一区域31も加わり、第1段階のグレイスケール曲線33が形成する輝度は明るすぎる状況を生じる。
特許第２９３８９５６号公報 Subsequently, as shown in the actual output diagram for the control current of the light emitting diode according to the known pulse width adjustment technique method of FIG. 2, the constant current source has a rising time with respect to the neon plate charging in the initial stage. (Rising Time) is generated. The rise time is formed during gray scale setting, and the first zone 21 and the second zone 23, which should originally be of equal area, result in different position situations. The first gray scale curve 22 reduces the area of the first area 21, and this problem affects the energization amount when the gray scale setting is two steps, and is not twice as large as one step. In this, the gray scale setting linearity is lost, the rising time of the first area 21 is determined by the capacitance value and the resistance value of the neon plate, and each different neon plate has a different gray scale state. Because of this, control over efficacy is very difficult.
Further, as shown in the current output diagram for controlling the light-emitting diode using the known pre-charging method of FIG. 3, in order to improve the above-mentioned problem, it is solved by a pre-charging method. Although a method has been developed, the specific method is a method of precharging using a relatively high voltage, and the first gray scale curve 33 has a reduced rise time. Although this method can solve the problem of rising time by solving the area approach of the first zone 31 and the second zone 32, an excessively high precharge method speeds up the EL. As a result, when the gray scale is in one stage, not only the first area 31 but also the first area 31 is added to the third area 34, and the brightness formed by the first stage gray scale curve 33 is This produces a situation that is too bright.
Japanese Patent No. 2938956

公知構造には以下の欠点があった。
すなわち、公知のグレイスケール制御技術の内最も普及しているパルス幅調節方法では点灯初期の上昇時間はネオン板の静電容量値及び抵抗値により決定され、さらに各ネオン板はそれぞれ異なるグレイスケール状態を呈するため、効能に対する制御が非常に困難である。
また、別の公知技術であるプレ充電の方法では過度に高いプレ充電方法がELの点灯を早くしてしまい、点灯初期のグレイスケール曲線が形成する輝度は明る過ぎてしまう。
本発明は、上記構造の問題点を鑑みてなされたもので、公知のPWM技術方法が発光ダイオードの制御電流が初期段階において理想的ではないという問題を解決可能する発光ダイオードのグレイスケール（Grey scale)、即ち、連続的なトーンの表示機能を向上させる構造及び方法を提供するものである。 The known structure has the following drawbacks.
That is, in the most widely used pulse width adjustment method among the known gray scale control techniques, the rising time at the beginning of lighting is determined by the capacitance value and resistance value of the neon plate, and each neon plate has a different gray scale state. Therefore, it is very difficult to control the efficacy.
In addition, in a precharge method which is another known technique, an excessively high precharge method accelerates the lighting of the EL, and the brightness formed by the gray scale curve at the beginning of lighting is too bright.
The present invention has been made in view of the problems of the above structure, and the known PWM technology method can solve the problem that the control current of the light emitting diode is not ideal in the initial stage. ), That is, a structure and method for improving the continuous tone display function.

上記課題を解決するため、本発明は、主に発光ダイオードのグレイスケール表示機能を向上させる構造及び方法を提供し、使用者が定義する振幅調節（Amplitude Modulation、AM）のパルス幅調節（Pulse Width Modulation、PWM）を利用し、公知のPWM技術方法の発光ダイオードの制御電流が初期段階において理想的ではないという問題を解決するものである。
すなわち、本発明の構造は、一種の発光ダイオードのグレイスケール表示機能を向上させる基本設計で、電流源、振幅調節、電流設定一時保存器、タイマー設定一時保存器から構成され、該電流源は電流を発光ダイオードに提供し、該振幅調節一時保存器は使用者が定義する供給電流数値及びタイマー数値を保存でき、該電流設定一時保存器は該振幅調節一時保存器が定義する電流数値に基づき、かつ電流源に出力し、該タイマー設定一時保存器は該振幅調節一時保存器が定義するタイマー数値に基づき、該電流設定一時保存器が出力する電流数値の維持時間を制御することを特徴とする発光ダイオードのグレイスケール表示機能を向上させる構造である。
また、本発明は一種の発光ダイオードのグレイスケール表示機能を向上させる方法で、以下のステップ、すなわち、使用者が定義する供給電流数値及びタイマー数値を該振幅調節一時保存器に保存し、該振幅調節一時保存器が定義する電流数値に基づき、該電流設定一時保存器を利用し電流源に出力し、該振幅調節一時保存器が定義するタイマー数値に基づき、該タイマー設定一時保存器を利用し該電流設定一時保存器が出力する電流数値の維持時間を制御し、該電流源は該振幅調節一時保存器が伝送する電流及びカウント数値を受領し、発光ダイオードに提供し、該振幅調節電流の機能が完成後、該正常電流設定一時保存器は該正常電流モードに即切替えられるステップからなることを特徴とする発光ダイオードのグレイスケール表示機能を向上させる方法である。 In order to solve the above problems, the present invention mainly provides a structure and method for improving a gray scale display function of a light emitting diode, and a user-defined amplitude modulation (AM) pulse width adjustment (Pulse Width). Modulation, PWM) is used to solve the problem that the control current of the light emitting diode in the known PWM technology method is not ideal in the initial stage.
That is, the structure of the present invention is a basic design that improves the gray scale display function of a kind of light emitting diode, and is composed of a current source, an amplitude adjustment, a current setting temporary storage, and a timer setting temporary storage. The amplitude adjustment temporary storage unit can store a supply current value and a timer value defined by the user, and the current setting temporary storage unit can be based on the current value defined by the amplitude adjustment temporary storage unit. And the timer setting temporary storage device controls the maintenance time of the current numerical value output by the current setting temporary storage device based on a timer value defined by the amplitude adjustment temporary storage device. This structure improves the gray scale display function of the light emitting diode.
Further, the present invention is a method for improving the gray scale display function of a kind of light emitting diode, and stores the following steps, that is, a supply current value and a timer value defined by a user in the amplitude adjustment temporary storage, and the amplitude Based on the current value defined by the adjustment temporary storage device, the current setting temporary storage device is used to output to the current source, and based on the timer value defined by the amplitude adjustment temporary storage device, the timer setting temporary storage device is used. Control the sustain time of the current value output by the current setting temporary storage, and the current source receives the current and count value transmitted by the amplitude adjustment temporary storage and provides them to the light emitting diodes. After the function is completed, the normal current setting temporary storage unit comprises a step of switching to the normal current mode immediately. It is a way to improve.

更に詳しくは、請求項１の発明が、発光ダイオードのグレイスケール表示機能を向上させるために電流源、振幅調節、電流設定一時保存器、タイマー設定一時保存器からなる構成で、前記電流源は電流を発光ダイオードに提供し、前記振幅調節一時保存器は使用者が定義する供給電流数値及びタイマー数値を保存でき、前記電流設定一時保存器は該振幅調節一時保存器が定義する電流数値に基づき、かつ電流源に出力し、前記タイマー設定一時保存器は該振幅調節一時保存器が定義するタイマー数値に基づき、該電流設定一時保存器が出力する電流数値の維持時間を制御することを特徴とする発光ダイオードのグレイスケール表示機能を向上させる構造である。
請求項２の発明は、前記正常電流設定一時保存器は該振幅調節電流の機能が完成後、該正常電流モードに即切替えることを特徴とする請求項１記載の発光ダイオードのグレイスケール表示機能を向上させる構造である。
請求項３の発明は、前記発光ダイオードはネオン板であることを特徴とする請求項１記載の発光ダイオードのグレイスケール表示機能を向上させる構造である。
請求項４の発明は、前記振幅調節一時保存器の使用者が定義する供給電流数値は一般正常電流設定一時保存器より大きくなければならないことを特徴とする請求項１記載の発光ダイオードのグレイスケール表示機能を向上させる構造である。 More specifically, the invention of claim 1 is composed of a current source, an amplitude adjustment, a current setting temporary storage device, and a timer setting temporary storage device in order to improve the gray scale display function of the light emitting diode. The amplitude adjustment temporary storage unit can store a supply current value and a timer value defined by a user, and the current setting temporary storage unit can be based on the current value defined by the amplitude adjustment temporary storage unit. And the timer setting temporary storage device controls the maintenance time of the current numerical value output by the current setting temporary storage device based on a timer value defined by the amplitude adjustment temporary storage device. This structure improves the gray scale display function of the light emitting diode.
The invention according to claim 2 is characterized in that the normal current setting temporary storage device immediately switches to the normal current mode after the function of the amplitude adjustment current is completed, and the gray scale display function of the light emitting diode according to claim 1 It is a structure to improve.
The invention of claim 3 is a structure for improving the gray scale display function of the light emitting diode according to claim 1, wherein the light emitting diode is a neon plate.
The invention according to claim 4 is characterized in that the supply current value defined by the user of the amplitude adjustment temporary storage device must be larger than that of the general normal current setting temporary storage device. This structure improves the display function.

請求項５の発明は、請求項１に記載の発光ダイオードのグレイスケール表示機能を向上させる構造において、
次の（Ａ）から（Ｄ）ステップを順次に実行して発光ダイオードに電流を出力して発光ダイオードのグレイスケール表示機能を向上させる方法。
（Ａ）使用者が定義する供給電流数値及びタイマー数値を前記振幅調節一時保存器に保存するステップ。
（Ｂ）該振幅調節一時保存器が定義する電流数値に基づき、該電流設定一時保存器を利用し電流源に出力するステップ。
（Ｃ）該振幅調節一時保存器が定義するタイマー数値に基づき、該タイマー設定一時保存器を利用し該電流設定一時保存器が出力する電流数値の維持時間を制御するステップ。
（Ｄ）前記電流源は振幅調節一時保存器が伝送する電流及びカウント数値を受領ステップ。
請求項６の発明は、請求項５に記載の発光ダイオードのグレイスケール表示機能を向上させる方法おいて、前記ステップ（Ｄ）に続いて（Ｅ）振幅調節電流の機能が完成後、該正常電流設定一時保存器は該正常電流モードに即切替えられるステップを実行することを特徴とする発光ダイオードのグレイスケール表示機能を向上させる方法である。 The invention of claim 5 is a structure for improving the gray scale display function of the light emitting diode according to claim 1,
A method of improving the gray scale display function of a light emitting diode by sequentially executing the following steps (A) to (D) and outputting a current to the light emitting diode.
(A) A step of storing a supply current value and a timer value defined by the user in the amplitude adjustment temporary storage device.
(B) A step of outputting to the current source using the current setting temporary storage based on the current value defined by the amplitude adjustment temporary storage.
(C) The step of controlling the maintenance time of the current numerical value output from the current setting temporary storage device using the timer setting temporary storage device based on the timer numerical value defined by the amplitude adjustment temporary storage device.
(D) The current source receives the current and count value transmitted by the amplitude adjustment temporary storage device.
According to a sixth aspect of the present invention, in the method for improving the gray scale display function of the light emitting diode according to the fifth aspect, following the step (D), (E) after the function of the amplitude adjustment current is completed, the normal current The setting temporary storage is a method for improving the gray scale display function of the light emitting diode, characterized in that the step of immediately switching to the normal current mode is executed.

上記のような本発明によれば、初期段階である最初の第1段階のグレイスケールが明るすぎたり暗すぎたりせず、理想に近い明るさにすることができ、最良のグレイスケール特性を達成可能とする。   According to the present invention as described above, the first gray scale of the first stage, which is the initial stage, is not too bright or too dark, and can be brought to near-ideal brightness, achieving the best gray scale characteristics. Make it possible.

図４に示すように、本発明の発光ダイオードのグレイスケール表示効能を向上させる基本構成は電流源44、振幅調節一時保存器41、電流設定一時保存器42、タイマー設定一時保存器43、正常電流設定一時保存器45から構成されている。
前記電流源44は電流を発光ダイオードに提供し、該発光ダイオードは、夜でも輝いて人目を引く電飾広告板のようなネオン板（Electro Luminescence）46に適用したものである。該ネオン板46は、複数の発光ダイオードの列（ＬＥＤbar）から構成され、さらに、その列は順に、第一区域、第二区域、第三区域・・第Ｎ区域のように複数の区域に分割され、各区域には単体或いは複数の発光ダイオードが設けられている。
前記振幅調節一時保存器41は使用者が設定し定義する供給電流数値及びタイマー数値を保存できる。
前記電流設定一時保存器42は該振幅調節一時保存器41が定義する電流数値に基づき、かつ電流源44に出力する。
前記タイマー設定一時保存器43は該振幅調節一時保存器41が定義するタイマー数値に基づき、該電流設定一時保存器42が出力する電流数値の維持時間を保存する。該正常電流設定一時保存器45は、電流の振幅調節機能が完成後、該正常電流モードに即切替える。 As shown in FIG. 4, the basic configuration for improving the gray scale display effect of the light emitting diode of the present invention is a current source 44, an amplitude adjustment temporary storage 41, a current setting temporary storage 42, a timer setting temporary storage 43, a normal current. It consists of a setting temporary storage 45.
The current source 44 supplies a current to the light emitting diode, and the light emitting diode is applied to a neon plate (Electro Luminescence) 46 such as an illuminated advertising board that shines even at night. The neon plate 46 is composed of a plurality of light emitting diode rows (LEDbar), and the row is sequentially divided into a plurality of zones such as a first zone, a second zone, a third zone, and an Nth zone. In each area, a single light emitting diode or a plurality of light emitting diodes are provided.
The amplitude adjustment temporary storage 41 can store a supply current value and a timer value set and defined by the user.
The current setting temporary storage unit 42 outputs the current value to the current source 44 based on the current value defined by the amplitude adjustment temporary storage unit 41.
The timer setting temporary storage unit 43 stores the maintenance time of the current numerical value output from the current setting temporary storage unit 42 based on the timer value defined by the amplitude adjustment temporary storage unit 41. The normal current setting temporary storage 45 immediately switches to the normal current mode after the current amplitude adjustment function is completed.

次に、図５、６に示すように、図４での前記振幅調節一時保存器（Amplitude Modulation）41の部分は電流源（Current Source）44の点灯の初期において、使用者が自身で設定し定義することができる比較的大きな電流を提供し、同時に上昇時間の効能を低下可能であるが、変調メカニズムは電流設定一時保存器（Current Setting Register）42とタイマー設定一時保存器（Timing Setting Register）43の２組の一時保存器を提供し、その内の前記振幅調節一時保存器（Amplitude Modulation Register）41が表すものは、電流オン（Current On）起動後に使用する電流設定値51で、この電流値は一般の正常に使用する電流値よりいくらか大きい。
前記タイマー設定一時保存器43は該大電流が継続する時間を提供し（図５の「設定した時間」）、該振幅調整作業の完成後は再び正常電流設定値52に戻る。
このように振幅調節の調整後、その発光ダイオード或いはネオン板46のグレイスケール波形全体はより一層完璧な状態となり、図６に示すように、その改良の效果は改良後の第一グレイスケール曲線61と改良前の第一グレイスケール曲線62の対照比較により、明らかに、初期立ち上がりの電流値の曲線は理想値（図１）により近づいている。 Next, as shown in FIGS. 5 and 6, the portion of the amplitude adjustment temporary storage (Amplitude Modulation) 41 in FIG. 4 is set by the user at the initial stage of lighting of the current source 44. Provides a relatively large current that can be defined, and at the same time can reduce the rise time effect, but the modulation mechanism is current setting register 42 (current setting register) and timer setting temporary storage (timing setting register) Two sets of 43 temporary storage devices are provided, and the amplitude adjustment register 41 of the amplitude adjustment register 41 represents a current set value 51 to be used after starting the current on. The value is somewhat larger than the current value for normal use.
The timer setting temporary storage unit 43 provides a time during which the large current continues (“set time” in FIG. 5), and returns to the normal current set value 52 again after the amplitude adjustment operation is completed.
Thus, after adjusting the amplitude adjustment, the entire gray scale waveform of the light emitting diode or neon plate 46 becomes more perfect, and the effect of the improvement is the improved first gray scale curve 61 as shown in FIG. From the comparison of the first grayscale curve 62 before improvement and the improvement, it is apparent that the current curve at the initial rise is closer to the ideal value (FIG. 1).

さらに、図４が示す基本設計の動作発生方法のフローチャートである図７に示すように、前記発光ダイオードのグレイスケール表示機能を向上させる方法は、以下のステップ７１からステップ７５の順で実行される。
ステップ71：使用者が定義する供給電流数値及びタイマー数値を振幅調節一時保存器に保存する。
ステップ72：振幅調節一時保存器が定義する電流数値に基づき、電流設定一時保存器を利用し電流源に出力する。
ステップ73：振幅調節一時保存器が定義するタイマー数値に基づき、タイマー設定一時保存器を利用し該電流設定一時保存器が出力する電流数値の維持時間を制御する。
ステップ74：電流源は振幅調節一時保存器が伝送する電流及びカウント数値を受領し、発光ダイオードに提供する。
ステップ75：振幅調節電流の機能が完成後、正常電流設定一時保存器は該正常電流モードに即切替えられる。
図４〜７により、本発明の主要な目的が使用者が定義する振幅調節（Amplitude Modulation、AM）のパルス幅調節（Pulse Width Modulation、PWM）を利用し、公知のPWM技術方法が発光ダイオードの制御電流が初期段階において理想的ではないという問題店を解決可能であることは明らかである。 Further, as shown in FIG. 7 which is a flowchart of the basic design operation generation method shown in FIG. 4, the method for improving the gray scale display function of the light emitting diode is executed in the order of the following steps 71 to 75. .
Step 71: The supply current value and the timer value defined by the user are stored in the amplitude adjustment temporary storage device.
Step 72: Based on the current value defined by the amplitude adjustment temporary storage device, the current setting temporary storage device is used to output to the current source.
Step 73: Based on the timer value defined by the amplitude adjustment temporary storage device, the maintenance time of the current numerical value output from the current setting temporary storage device is controlled using the timer setting temporary storage device.
Step 74: The current source receives the current and count value transmitted by the amplitude adjustment temporary storage device and provides them to the light emitting diode.
Step 75: After the function of the amplitude adjustment current is completed, the normal current setting temporary storage is immediately switched to the normal current mode.
4-7, the main purpose of the present invention is to use the pulse width adjustment (Pulse Width Modulation, PWM) defined by the user to define the known PWM technology method of the light emitting diode. It is clear that the problem store where the control current is not ideal in the initial stage can be solved.

公知のパルス幅調節技術方法の発光ダイオードの制御電流に対する理想出力図である。It is an ideal output figure with respect to the control current of the light emitting diode of the well-known pulse width adjustment technique method. 公知のパルス幅調節技術方法の発光ダイオードの制御電流に対する実際出力図である。It is an actual output figure with respect to the control current of the light emitting diode of the well-known pulse width adjustment technique method. 公知の予め充電する方法を利用した発光ダイオードの制御電流に対する出力図である。It is an output figure with respect to the control current of the light emitting diode using the well-known precharge method. 本発明の発光ダイオードのグレイスケール表示機能を向上させる基本設計の機能ブロックチャートである。3 is a functional block chart of a basic design for improving a gray scale display function of a light emitting diode of the present invention. 本発明の電流設定機制により発光ダイオードが必要とする初期起動電流を高める指示図である。FIG. 4 is an instruction diagram for increasing an initial starting current required for a light emitting diode according to the current setting mechanism of the present invention. 本発明がパルス幅調節技術により表示する完璧に近い波形の指示図である。FIG. 6 is an indication diagram of a nearly perfect waveform displayed by the pulse width adjustment technique according to the present invention. 図４に示す基本構成の動作に基づき生じる方法のフローチャートである。5 is a flowchart of a method that occurs based on the operation of the basic configuration shown in FIG.

符号の説明Explanation of symbols

10 第一区域
21 第一区域
22 第一グレイスケール曲線
23 第二区域
31 第一区域
32 第二区域
33 第一グレイスケール曲線
34 第三区域
41 振幅調節一時保存器
42 電流設定一時保存器
43 タイマー設定一時保存器
44 電流源
45 正常電流設定一時保存器
46 ネオン板
51 電流設定?
52 正常電流設定?
61 改良後の第一グレイスケール曲線
62 改良前の第一グレイスケール曲線
71 ステップ７１：使用者が定義する供給電流数値及びタイマー数値を振幅調節一時保存器に保存する
72 ステップ７２：振幅調節一時保存器が定義する電流数値に基づき、電流設定一時保存器を利用し電流源に出力する
73 ステップ７３：振幅調節一時保存器が定義するタイマー数値に基づき、タイマー設定一時保存器を利用し該電流設定一時保存器が出力する電流数値の維持時間を制御する
74 ステップ７４：電流源は振幅調節一時保存器が伝送する電流及びカウント数値を受領し、発光ダイオードに提供する
75 ステップ７５：振幅調節電流の機能が完成後、正常電流設定一時保存器は該正常電流モードに即切替えられる
10 First area
21 Zone 1
22 First grayscale curve
23 Second area
31 Zone 1
32 Zone 2
33 1st grayscale curve
34 Zone 3
41 Amplitude adjustment temporary storage
42 Current setting temporary storage
43 Timer setting temporary storage
44 Current source
45 Normal current setting temporary storage
46 Neon plate
51 Current setting?
52 Normal current setting?
61 First grayscale curve after improvement
62 First grayscale curve before improvement
71 Step 71: The user-defined supply current value and timer value are stored in the amplitude adjustment temporary storage device.
72 Step 72: Based on the current value defined by the amplitude adjustment temporary storage device, output to the current source using the current setting temporary storage device.
73 Step 73: Based on the timer value defined by the amplitude adjustment temporary storage device, the maintenance time of the current numerical value output by the current setting temporary storage device is controlled using the timer setting temporary storage device.
74 Step 74: The current source receives the current and count value transmitted by the amplitude adjustment temporary storage device and provides them to the light emitting diode.
75 Step 75: After the function of the amplitude adjustment current is completed, the normal current setting temporary storage device is immediately switched to the normal current mode.

Claims (6)

発光ダイオードのグレイスケール表示機能を向上させるために電流源、振幅調節、電流設定一時保存器、タイマー設定一時保存器からなる構成で、
前記電流源は電流を発光ダイオードに提供し、
前記振幅調節一時保存器は使用者が定義する供給電流数値及びタイマー数値を保存でき、
前記電流設定一時保存器は該振幅調節一時保存器が定義する電流数値に基づき、かつ電流源に出力し、
前記タイマー設定一時保存器は該振幅調節一時保存器が定義するタイマー数値に基づき、該電流設定一時保存器が出力する電流数値の維持時間を制御することを特徴とする発光ダイオードのグレイスケール表示機能を向上させる構造。 In order to improve the gray scale display function of the light emitting diode, it consists of a current source, amplitude adjustment, current setting temporary storage, timer setting temporary storage,
The current source provides current to the light emitting diode;
The amplitude adjustment temporary storage device can store a supply current value and a timer value defined by the user,
The current setting temporary storage is based on the current value defined by the amplitude adjustment temporary storage and outputs to the current source,
The timer setting temporary storage unit controls the time for maintaining the current numerical value output from the current setting temporary storage unit based on the timer value defined by the amplitude adjustment temporary storage unit, and the gray scale display function of the light emitting diode Improve the structure. 前記正常電流設定一時保存器は該振幅調節電流の機能が完成後、該正常電流モードに即切替えることを特徴とする請求項１記載の発光ダイオードのグレイスケール表示機能を向上させる構造。   2. The structure of claim 1, wherein the normal current setting temporary storage unit immediately switches to the normal current mode after the function of the amplitude adjustment current is completed. 前記発光ダイオードはネオン板であることを特徴とする請求項１記載の発光ダイオードのグレイスケール表示機能を向上させる構造。   2. The structure of claim 1, wherein the light emitting diode is a neon plate. 前記振幅調節一時保存器の使用者が定義する供給電流数値は一般正常電流設定一時保存器より大きくなければならないことを特徴とする請求項１記載の発光ダイオードのグレイスケール表示機能を向上させる構造。   2. The structure for improving the gray scale display function of a light emitting diode according to claim 1, wherein a numerical value of a supply current defined by a user of the amplitude adjusting temporary storage device must be larger than that of a general normal current setting temporary storage device. 請求項１に記載の発光ダイオードのグレイスケール表示機能を向上させる構造において、
次の（Ａ）から（Ｄ）ステップを順次に実行して発光ダイオードに電流を出力して発光ダイオードのグレイスケール表示機能を向上させる方法。
（Ａ）使用者が定義する供給電流数値及びタイマー数値を前記振幅調節一時保存器に保存するステップ。
（Ｂ）該振幅調節一時保存器が定義する電流数値に基づき、該電流設定一時保存器を利用し電流源に出力するステップ。
（Ｃ）該振幅調節一時保存器が定義するタイマー数値に基づき、該タイマー設定一時保存器を利用し該電流設定一時保存器が出力する電流数値の維持時間を制御するステップ。
（Ｄ）前記電流源は振幅調節一時保存器が伝送する電流及びカウント数値を受領ステップ。 In the structure which improves the gray scale display function of the light emitting diode of Claim 1,
A method of improving the gray scale display function of a light emitting diode by sequentially executing the following steps (A) to (D) and outputting a current to the light emitting diode.
(A) A step of storing a supply current value and a timer value defined by the user in the amplitude adjustment temporary storage device.
(B) A step of outputting to the current source using the current setting temporary storage based on the current value defined by the amplitude adjustment temporary storage.
(C) The step of controlling the maintenance time of the current numerical value output from the current setting temporary storage device using the timer setting temporary storage device based on the timer numerical value defined by the amplitude adjustment temporary storage device.
(D) The current source receives the current and count value transmitted by the amplitude adjustment temporary storage device. 請求項５に記載の発光ダイオードのグレイスケール表示機能を向上させる方法において、前記ステップ（Ｄ）に続いて（Ｅ）振幅調節電流の機能が完成後、該正常電流設定一時保存器は該正常電流モードに即切替えられるステップを実行することを特徴とする発光ダイオードのグレイスケール表示機能を向上させる方法。
6. The method for improving the gray scale display function of a light emitting diode according to claim 5, wherein after the step (D), (E) after the function of the amplitude adjustment current is completed, the normal current setting temporary storage unit is configured to store the normal current. A method for improving a gray scale display function of a light emitting diode, characterized in that a step of immediately switching to a mode is executed.
JP2006065122A 2006-03-10 2006-03-10 Structure and method for improving gray scale display function of light emitting diode Expired - Fee Related JP4366368B2 (en)

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JP2015094814A (en) * 2013-11-11 2015-05-18 パイオニア株式会社 Light-emitting device
CN114863036A (en) * 2022-07-06 2022-08-05 深圳市信润富联数字科技有限公司 Data processing method and device based on structured light, electronic equipment and storage medium

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CN102858054B (en) * 2012-07-11 2015-08-19 深圳市绎立锐光科技开发有限公司 Solid luminous device, solid luminescent light source, lighting device and control method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015094814A (en) * 2013-11-11 2015-05-18 パイオニア株式会社 Light-emitting device
CN114863036A (en) * 2022-07-06 2022-08-05 深圳市信润富联数字科技有限公司 Data processing method and device based on structured light, electronic equipment and storage medium
CN114863036B (en) * 2022-07-06 2022-11-15 深圳市信润富联数字科技有限公司 Data processing method and device based on structured light, electronic equipment and storage medium

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