TW201210011A - Icon Organic Light Emitting Diode Display with high uniformity and brightness - Google Patents

Abstract

The present invention is related to an Icon Organic Light Emitting Diode Display with high uniformity and brightness which comprises a driving control module, multiple power control modules being connected to the driving control module, an organic light emitting display having multiple diodes. Wherein, the diodes comprise multiple non-identical shapes and areas, and the shapes have at least one arc-like shaping. The power control modules output DC powers to the connected diodes according to the areas and the shapes of the diodes. Thus, the present invention is an OLED display with high brightness, high uniformity and long lifetime.

Description

201210011 VI. Description of the Invention: [Technical Field] The present invention relates to an organic light emitting diode display, and more particularly to an organic light emitting diode display with a fixed graphic display.

L 无丽枝术J compared to other flat display (F|at Pane丨Djsp丨ay) technology, organic light-emitting diode display (0rganic Light Emjttjng Dj〇de (1) 邛丨...

OLED Disp丨ay) has good advantages in terms of lightness, thinness and brightness, and is bound to occupy a place in the current or future display market. For example, an organic light-emitting diode display has a self-luminous effect, which greatly reduces the "structure and required power consumption, and therefore is ineffective, and is more efficient than other flat-panel displays (such as liquid crystal display writers). The advantages of low power consumption, etc., are in the future display field. Although the OLED display has many of the above characteristics, it is a star. Because of many technical limitations and bottlenecks, it has not only its development but the biggest one. The limited performance is applied to the body display in order to achieve the dynamic display effect, and the organic light-emitting diode rix) is arranged to display the block, and the effect of the dot valley-like change is transmitted through the alternating current or the square wave. However, this ^ to the display point: ... has the following defects (1) as shown in the fifth figure; ^ is composed of the array of the image of the array of the 0LEO display _ internal pixels 99, which displays '·, The figure is not smooth and flexible. The quality is not good, can't display (2) dot array shape, the type of drive display LED if you want to get the ruler rij i S] 201210011 degrees, you must make the display block have more Lane _ ^ ^ first, more display pixels (pixel),

And more display pixels, if you want to improve U..A soil...'Bee's brightness must increase the driving voltage, because the dot array form of the display is both Hong & M k ώ n -10 to - AC square wave drive, higher The resolution and shell size requirements will make the instantaneous voltage or instantaneous electric scream of the six, ^ > * 43⁄4 , θ / 0 乂 square wave very high, often breakdown, breaking j electric ε _ _ < 〇 led Display pixel components, which reduce the service life. The number of leaves is (3) The current AC square wave drive mode The average current and voltage provided by 巧 Qiao are insufficient, which makes the brightness of 0LED display generally poor. (4) The dot array form drives the display of miscellaneous ED. Because the structure of the internal pixels is complicated, other switching components are required to use the LEDs of the pixels to reduce the brightness of the three-port ratio, and the brightness is greatly reduced. L invention content] In order to solve the existing dot matrix form, the ancient y-hole organic light-emitting diode display is bright and can not be improved, the yield is not good, and the stem is σ哲TA ^ 夕.,. The invention has the advantages of short-term service life and the like, and the invention is an organic light-emitting diode display which directly drives a plurality of fixed special patterns by driving the direct current, and the invention has high brightness, smooth display and high resolution. The purpose of the invention is very long. In conjunction with solving the foregoing technical problems and achieving the foregoing objects, the present invention provides a fixed-pattern organic light-emitting diode display having a uniform party-side display effect, comprising: a driving control module that converts a display signal into a a plurality of voltage and current control modules respectively connected to the drive control module 4 201210011. The plurality of DC powers are generated according to the drive signal. An organic light emitting diode display module includes: a glass substrate; a plurality of light emitting diode elements formed on the surface of the glass substrate. Each of the light emitting diode elements is connected to one of the voltage and current control modules, and the ',' is connected to the parent. The driving of the DC power generates a light output 'the plurality of LEDs i 3 of a plurality of different sizes of the top view, wherein the plurality of top shapes include at least one arc shape or a curved edge shape; and The upper cover substrate is closely connected to the glass substrate, and each of the complex light-emitting diode elements is sandwiched between the upper cover substrate and the glass substrate. Wherein the light-emitting diode element comprises a stack of a transparent conductive anode electrode, a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer and a cathode electrode, which are sequentially stacked on the glass substrate The thickness of the hole injection layer is between 500A and 5000A. The octagonal upper cover substrate is a concave glass substrate which is recessed in an inner surface of the inner surface. In the eighth, the voltage and current control module includes a boosting unit and a current limiting unit. The boosting unit and the current limiting unit adjust the output according to the top surface area of the light emitting diode element to the connected light. Diode. Wherein, the concave surface is provided with a moisture absorbent. Therefore, the present invention has the following technical effects: (1) directly forming various customized light-emitting diode elements of different external history patterns through the process, greatly improving the display resolution and display effect, and solving the prior art display. Technical problems with poor quality. (2) Each LED component is individually DC driven, so that there is [S] 5 as a whole.

201210011

The machine's LED display + Λ A body.··· The page is not high in addition to the wheel group, but also because of the DC 斤 度 勹 々 々 々 々 e e e e e e e e e e e e e e e e e e e e e e e e The output is more evenly hooked, the service life is extended a lot, and the technical effect is more. m 夕更. (3) The electric dust control, the current limiting output, and the light emitting diode component can optimize the input power of the pulse-free driving waveform.义 土 先 先 二 q - - - - - - - - ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( [Embodiment] Please refer to the first and second figures, which are the fixed-pattern organic light-emitting diode display with the display effect of the present invention, including the organic light-emitting diode display module 12 and According to the sequence of the LED display module 彳2, a plurality of voltage and current tubes # and a drive control module 16. 6. With reference to the third and third B, the organic display module 1 2 comprises a glass substrate 彳 2 彳, a plurality of sheets arranged on the plate 121 a light-emitting diode element 123, a cover substrate, a frame glue 1 26. The plurality of light-emitting diode elements 彳2 3 comprise a top view of the same size, as shown in the first figure, the plurality of types are reduced A line segment comprising an arc shape, or a curved edge, such as a combined segment A, b of a seven-segment display, a circular arc c, a combination D, an irregular continuous segment, a special combination graphic fi dynamic diagram Under the technology of the formula 1, the electric power and the like are various, and each has a flat growth only life, and the opening ratio is high and the brightness is high. The J-module 1 4 light-emitting diode is used for the glass base 1 2 5 and a plurality of Depending on the appearance, it may be in English letters, etc. Each of the 201210011 top-down models is formed by a pair of A-amplage A & nine-pole bodies, which receive the voltage-current control module 1 4 The output - „ ^ ^ J DC power drive produces a light output in the direction of the glass substrate 121. The light emitting diode element 123 may include a transparent conductive anode electrode stacked on the glass substrate 121, hole injection, I mL (Hole 丨njeCt_Layer), a hole transport layer, a light emitting layer, and an electron transfer. Wheel layer and - cathode electrode. The transparent conductive anode electrode may be an indium tin oxide (barium oxide) or a similar conductive oxide material; the hole injection layer H|L

Thickness; I is 500A s 5000A; after the thickness of ftg \ | 吼 is between coffee (10) and (4), it can effectively solve the problem that the uniformity of the surface of the 电位 导电 导电 导电 导电 导电The light-emitting diode element 1 23 has a problem of breakdown due to an excessive operating current, and further achieves the technical effect of greatly increasing the service life and stability of the light-emitting diode element 213. Although increasing the thickness of the hole injection layer HIL may require a slight increase in the DC power that is turned in, since the present embodiment uses the DC power input method to drive the xenon LED element 23, the increased voltage or current There is no problem of an instant rise, so there is no problem of the lifetime of the light-emitting element 1 2 3 due to the need to increase the input power. The upper cover substrate 165 may be a flat body or a concave plate body recessed in an inner surface of the inner surface. The upper cover substrate 1 2 5 of the embodiment is a glass plate having the concave surface, wherein the concave surface is It is done by etching. Forming the concave surface ′ when the upper cover substrate 1 2 5 is pressed and sealed with the glass substrate 1 21, the risk of the LED component 彳 23 being crushed and destroyed is prevented. The process yield of this embodiment can be greatly increased. Further, the smectic surface region may further be provided with a moisture absorbent 7 201210011 (Getter), whereby the sealed LED component 1 is protected from moisture threatening to increase the life of the LED component 123. a voltage-current control module 彳4 is electrically connected to the at least one light-emitting diode element 123, and the voltage-current control module 14 provides the at least one light-emitting diode 123 connected to the DC power drive, wherein The voltage and current control module 14 can include a boosting unit 142 and a current limiting unit 1 44 4 boosting unit, 42 and the current limiting unit, 44 according to the planar shape of the LED body 12 A suitable DC power output is provided to the connected light-emitting diodes 1 23 . The boosting unit 142 and the current limiting unit 144, which respectively adjust the output voltage and current adaptively, can obtain appropriate DC power for each of the eight different light-emitting diode elements 本2 3 of the present embodiment, so that the final display is performed. The effect is very uniform and high brightness. Please refer to the fourth figure, which is an example of the implementation of the boosting unit 142, which compares the input voltages of the comparator 142A to achieve a DC voltage adjustment effect of controlling the output to the different LED components 23; The input voltage of the comparator 142A is a comparison voltage Vref and a voltage dividing circuit Vin, JR, R2, respectively, so as to adjust and determine the electrical waste output of each of the LED components 123. Correspondingly, the function of the current limiting unit 144 is to adjust the output of the appropriate operating current required for the different LED components 123, so that the LEDs 123 of the same area have close power input. The technical effect of uniform brightness display. The driving control module 16 receives an external display signal and converts it into a driving signal output to the voltage current control module 彳4, so that the voltage current control module 14 can perform different illumination according to the foregoing control mode. The polar body component 1 23 performs adaptive DC power cycling. 201210011 Based on the above Λ% example, it can be seen that the present embodiment has the following (1) directly forming a customized external light-emitting diode element 1 23 by a different processing method, which greatly improves display resolution and display effect. Solve technical problems with poor display quality of existing technologies. (2) Each of the LED components 1 23 is individually DC driven 'to make the overall organic light-emitting diode display module 彳2, in addition to the high-resolution display dynamic pattern, but also because of DC drive, voltage Under the control and current limiting output technologies, many technical effects such as more uniform display content, prolonged service life, and more power saving are achieved. (3) Using voltage control 'current limiting output and DC driving mode, each illuminating body - several pieces of 彳 2 3 can avoid the pulse-like driving waveform, and the average input power can be optimized to make each illuminating diode component 1 a〗 not only increases the dance life, but also has a high brightness display effect. (4) The content of the control and the control circuit are relatively simple, so that the aperture ratio is increased and the area is improved. BRIEF DESCRIPTION OF THE DRAWINGS The drawings are schematic views of the display contents of the preferred embodiment of the present invention. The figure is a block diagram of a circuit of a preferred embodiment of the invention. The present invention is a partial cross-sectional view of a preferred embodiment of the present invention. A B-picture is a schematic structural view of a light-emitting diode element of the present invention. The four figures are schematic diagrams of examples of the booster circuit of the present invention. ...: The five figures are the organic light-emitting diodes of the existing dot matrix form. I display [S] 9 201210011 [Main component symbol description] 1 Fixed-pattern organic light-emitting diode display with uniform high-brightness display effect 1 2 organic light-emitting diode display module 1 2 1 glass substrate 123 light-emitting diode Body element 125 upper cover substrate 1 26 frame glue

1 4 voltage and current control module 142 boost unit 142A comparator 1 44 current limiting unit 1 6 drive control module Η丨L hole injection layer

[S1 10

Claims (1)

201210011 VII. Patent application scope: 1· - A fixed-pattern organic light-emitting diode display with uniform high-brightness display effect, comprising: - a drive control module, which will - display the poor "switch to the drive signal; a plurality of voltage and current control modules are electrically connected to the drive control module respectively. The plurality of DC powers are generated according to the drive signal. An organic light emitting diode display module comprising: a glass substrate; Each of the light emitting diode elements formed on the surface of the glass substrate is connected to a voltage current control module, and is driven by the direct current power to generate a light output, and the plurality of light emitting diodes comprise a plurality of light emitting diodes a top view of a different size, wherein the plurality of top views have at least one arc shape or a curved edge shape; and an upper cover substrate that is closely connected to the glass substrate to remove each of the complex light-emitting elements The seal and the seal are placed between the upper cover substrate and the glass substrate. 2. The high-brightness display effect φ S is as described in the patent application scope. A fixed-pattern organic light-emitting diode device comprising a transparent conductive anode electrode, a hole injection layer, a hole transport layer, a light-emitting layer and an electron transport layer stacked on the glass substrate in sequence And a cathode electrode. 3. A fixed-pattern organic light-emitting diode display having a high-brightness display effect as described in claim 2, wherein the thickness of the hole injection layer is between 500A and 5000A. f Please fix the fixed-pattern organic light-emitting diode display with the high-brightness display effect described in the second item of the patent scope. The upper cover substrate is a concave glass substrate in the middle of the inner surface of a 201210011. The fixed-pattern organic light-emitting diode display of the fourth aspect of the invention includes a boosting unit and a current limiting unit, wherein the light is connected to the light-emitting diode element according to a top view of the light-emitting diode element. Diode 6. A fixed-pattern organic light-emitting diode to open the moisture absorber as shown in the fourth or fifth aspect of the patent application. 8. Pattern: (as in the next page) Uniform highlighting The voltage and current regulation molding unit and the current limiting unit adjust the output to the connected uniform high brightness display, the concave surface is provided