WO2023185463A1 - 一种硬屏及其显示装置 - Google Patents
一种硬屏及其显示装置 Download PDFInfo
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- WO2023185463A1 WO2023185463A1 PCT/CN2023/081481 CN2023081481W WO2023185463A1 WO 2023185463 A1 WO2023185463 A1 WO 2023185463A1 CN 2023081481 W CN2023081481 W CN 2023081481W WO 2023185463 A1 WO2023185463 A1 WO 2023185463A1
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- 239000000463 material Substances 0.000 claims abstract description 24
- 238000002834 transmittance Methods 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims description 4
- 101100422614 Arabidopsis thaliana STR15 gene Proteins 0.000 description 9
- 101100141327 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RNR3 gene Proteins 0.000 description 9
- 101150112501 din1 gene Proteins 0.000 description 9
- 101100493897 Arabidopsis thaliana BGLU30 gene Proteins 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
Definitions
- the present invention relates to the field of display, and in particular, to a hard screen and a display device thereof.
- the present invention provides a hard screen, which includes a hard material, lines provided on the hard material, and a plurality of LED luminous bodies provided on the hard material.
- each LED luminous body includes coded information of the LED luminous body
- the line described is a three-wire system, including the following three types of lines:
- the first type of connecting wire is used to electrically connect the positive power supply/VCC terminal of each LED light body
- the second type of connecting wire is used to electrically connect the negative power supply/GND terminal of each LED light body
- the third type of connection line is used to electrically connect the data signal input pin DIN end of each LED light body to provide data signals
- each LED light-emitting body obtains the corresponding data signal for the LED light-emitting body from the data signal according to the encoding information of the LED light-emitting body.
- the hard material is a material with a certain light transmittance.
- the hard screen is a glass screen.
- the circuit is arranged on one side of the hard material.
- the hard screen has any of the following characteristics:
- the first type of connection lines, the second type of connection lines and the third type of connection lines are parallel to each other.
- the plurality of LED luminous bodies are arranged in multiple parallel rows or columns.
- the first type of connection line, the second type of connection line and the third type of connection line are all arranged as one layer of lines or two layers of lines.
- the first type of connection line, the second type of connection line, and the third type of connection line are respectively provided with a plurality of first type pins, a plurality of second type pins, and a plurality of third type pins;
- the first type of pin is used to electrically connect the positive power supply/VCC terminal of each LED light body
- the second type of pin is used to electrically connect the negative power supply/GND terminal of each LED light body
- the third type of pin is used to electrically connect the data signal input pin DIN end of each LED light body to provide a data signal.
- the present invention also discloses a display device, including the above-mentioned hard screen.
- the invention can effectively reduce the overall cost of the hard screen and improve the yield, and can even improve the light transmittance and current carrying capacity.
- Figure 1 is a physical diagram of a hard screen in the prior art
- Figure 2 is a schematic structural diagram of a hard screen in the prior art
- Figure 3 is a schematic structural diagram of another hard screen in the prior art
- Figure 4 is a schematic structural diagram of a hard screen in an embodiment of the present invention.
- the present invention discloses a hard screen, which includes a hard material, lines provided on the hard material, and a plurality of LED luminous bodies provided on the hard material.
- each LED luminous body includes coded information of the LED luminous body
- the line described is a three-wire system, including the following three types of lines:
- the first type of connecting wire is used to electrically connect the positive power supply/VCC terminal of each LED light body
- the second type of connecting wire is used to electrically connect the negative power supply/GND terminal of each LED light body
- the third type of connection line is used to electrically connect the data signal input pin DIN end of each LED light body to provide data signals
- each LED light-emitting body obtains the corresponding data signal for the LED light-emitting body from the data signal according to the encoding information of the LED light-emitting body.
- Figure 2 illustrates the structure of a hard screen in the prior art:
- controller in Figure 2 only uses one data signal, namely DATA1, this is superficially the same as the DIN data signal shown in Figure 4 of the present invention, but:
- the present invention can completely eliminate the need for DIN2 pins/terminals and corresponding wiring, because each LED light body of the present invention has its own corresponding coding information, and it only needs to be based on the LED For the coded information of the luminous body, the corresponding data signal for the LED luminous body can be obtained from the data signal, thereby ensuring the normal operation of each LED luminous body.
- the existing technology shown in Figure 2 does not rely on the encoding of the LED light body at all. Instead, either the data signal is processed by the front stage and then passed to the next stage through DOUT, or the next stage performs fixed processing according to the DIN2 signal.
- the coding information in the present invention refers to the address coding information or ID coding information of each LED luminous body to distinguish each LED luminous body. This information can be hard stored in the LED luminous body through OTP or other burning technology. And change the state of the relevant storage elements to solidify and harden the storage.
- the present invention can eliminate redundant pins such as DIN2 and its wiring to connect the front-stage DIN1, and eliminate the wiring of the subsequent-stage DIN1 to connect the front-stage DOUT, and only use a three-wire system to connect all LED luminous bodies, so , the present invention can significantly reduce the wiring complexity and wiring cost, and can also significantly reduce the failure rate and improve the yield rate.
- the third type of connection line in the present invention is used as a data signal line, it is directly connected to the DIN of each LED light body, and each LED light body has its own coded information and is correctly obtained from the data signal line.
- the data signal corresponding to its own light-emitting body, and each LED light-emitting body itself is connected to the corresponding VCC and GND. Then, when any LED light-emitting body fails, or even two consecutive LED light-emitting bodies or more fail,
- the hard screen of the present invention can still ensure the work of other luminous bodies.
- the controller of Figure 3 adds a data signal, namely DATA2, which is different from the DIN data signal shown in Figure 4 of the present invention.
- DATA2 a data signal
- the circuit in Figure 3 is more complex, and it is easier to increase faults than the prior art shown in Figure 2.
- the present invention can effectively reduce the overall cost of the hard screen and improve the yield rate.
- the hard material is a material with a certain light transmittance.
- a certain light transmittance such as nearly complete transparency or translucency, depends on what visual effect the hard screen hopes to achieve.
- the number of wirings in the present invention is reduced, the corresponding solder joints will also be reduced.
- the hard screen of the present invention will further improve the transparency. Since the number of wirings in the present invention is reduced, on the premise of satisfying the transparency, compared with the prior art, the present invention can increase the line width of the wiring in the hard screen to improve the ability to withstand current.
- the hard screen is a glass screen.
- the circuit is provided on one side of the rigid material.
- the hard screen has any of the following characteristics:
- the three-wire circuit can be arranged on one side of the rigid material. Set on one side, the other side can be used for adhesive installation.
- every two hard screens can be spliced into one screen, and only the first type connecting wire, the second type connecting wire, and the third type connecting wire between the two hard screens are electrically connected to each other.
- the plurality of LED light-emitting bodies are preferably connected in parallel, because when connected in parallel, it is more conducive to splicing.
- Parallel connection is preferred, which means that other connection methods are not completely excluded. Regardless of series connection, parallel connection, or mixed connection, basic voltage and current withstand requirements must be met.
- first type of connection lines, the second type of connection lines, and the third type of connection lines are parallel to each other.
- the first type of connection line, the second type of connection line, and the third type of connection line include at least one line of each type of connection line.
- the plurality of LED luminous bodies are arranged in multiple parallel rows or columns.
- first type of connection line, the second type of connection line, and the third type of connection line are all configured as one layer of lines or two layers of lines.
- first type of connection line, the second type of connection line, and the third type of connection line are respectively provided with a plurality of first type pins, a plurality of second type pins, and a plurality of third type pins. type pin;
- Each first type pin is used to electrically connect the positive power supply/VCC terminal of each LED light body
- Each second type pin is used to electrically connect the negative power supply/GND terminal of each LED light body
- Each third type pin is used to electrically connect the data signal input pin DIN end of each LED light body to provide a data signal.
- the LED light body includes a chip-type LED.
- the LED light body includes: at least one LED lamp bead chip and any IC or other components connected to the LED lamp bead chip.
- LED light emission is concerned, whether it is driven by AC or DC, the minimum requirement for the LED itself is a two-wire power supply. Due to the development of LED chip technology, even if there is no driver IC, a certain number of LED chips that occupy a small area can be used to form an LED luminous body and be directly driven by AC or DC.
- the plurality of LED luminous bodies are arranged at equal intervals.
- adjacent LED luminous bodies are arranged at equal intervals within the row/column.
- the plurality of LED light emitters share a common ground.
- both ends of the front side of the carrier board there are:
- the data signal input pin DIN terminal is used to electrically connect the LED light body.
- the carrier board can also be cascaded back and forth with carrier boards of the same structure.
- the encoded information for each LED light emitter is different.
- the encoded information of each LED light represents the ID of each LED light or the address of the LED light in the hard screen.
- each LED light emitter includes a memory that includes encoded information for the LED light emitter.
- the encoding information of the LED luminaires is pre-burned into each LED luminaire.
- the hard screen can be mounted on any surface or between any mezzanine.
- the present invention also discloses a display device, wherein the display device includes any one of the above hard screens.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
一种硬屏,包括硬性材料,和在硬性材料上设置的线路,以及设置在硬性材料上的多个LED发光体;其中,每个LED发光体包括LED发光体的编码信息;线路为三线制,包括如下三类线:第一类连接线,用于电性连接每个LED发光体的供电正极/VCC端;第二类连接线,用于电性连接每个LED发光体的供电负极/GND端;第三类连接线,用于电性连接每个LED发光体的数据信号输入引脚DIN端以提供数据信号,且每个LED发光体根据LED发光体的编码信息,从数据信号中获取针对LED发光体的对应数据信号,能够有效降低硬屏总体成本和改善良率,甚至能改善透光率和电流承受能力。
Description
本发明涉及显示领域,具体而言,涉及一种硬屏及其显示装置。
目前,现有技术的显示装置种类广泛,其中,近年出现的户外大屏幕硬屏获得了行业和用户的关注,参见图1。此外,本领域也开始出现玻璃硬屏,具备一定的透光能力。
然而,当前的硬屏的总体成本过高,线路也相对复杂从而影响良率,这些都影响了此类硬屏的推广。本领域亟需开发能够有效降低硬屏总体成本和改善良率的新型硬屏。
当前的硬屏的总体成本过高,线路也相对复杂,这些因素都影响其良率与推广。
有鉴于此,本发明提供了一种硬屏,包括硬性材料、和在硬性材料上设置的线路、以及设置在硬性材料上的多个LED发光体。
其中,每个LED发光体包括该LED发光体的编码信息;
所述的线路为三线制,包括如下三类线:
第一类连接线,用于电性连接每个LED发光体的供电正极/VCC端;
第二类连接线,用于电性连接每个LED发光体的供电负极/GND端;
第三类连接线,用于电性连接每个LED发光体的数据信号输入引脚DIN端以提供数据信号;
且每个LED发光体根据该LED发光体的编码信息,从所述数据信号中获取针对该LED发光体的对应数据信号。
优选的,所述硬性材料为具有一定透光率的材料。
优选的,所述硬屏为玻璃屏。
优选的,所述线路设置在硬性材料的一面上。
优选的,所述硬屏具有如下任一特点:
(1)每2个硬屏能够拼接成1个屏;
(2)所述多个LED发光体为并联关系。
优选的,所述第一类连接线、第二类连接线、第三类连接线彼此平行。
优选的,所述多个LED发光体,设置为平行的多个行或列。
优选的,所述第一类连接线、第二类连接线、第三类连接线均设置为一层线路或两层线路。
优选的,所述第一类连接线、第二类连接线、第三类连接线上分别设置有多个第一类型引脚、多个第二类型引脚、多个第三类型引脚;
所述的第一类型引脚,用于电性连接每个LED发光体的供电正极/VCC端;
所述的第二类型引脚,用于电性连接每个LED发光体的供电负极/GND端;
所述的第三类型引脚,用于电性连接每个LED发光体的数据信号输入引脚DIN端以提供数据信号。
此外,本发明还揭示了一种显示装置,包括上述所述的硬屏。
本发明能够有效降低硬屏总体成本和改善良率,甚至能改善透光率和电流承受能力。
为了更清楚地说明本发明实施例的技术方案,下面将对实施例中所需要使用的附图作简单地介绍,应当理解,以下附图仅示出了本发明的某些实施例,因此不应被看作是对范围的限定,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他相关的附图。
图1为现有技术中一种硬屏的实物图;
图2为现有技术中一种硬屏的结构示意图;
图3为现有技术中另一种硬屏的结构示意图;
图4为本发明的一个实施例中硬屏的结构示意图。
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例中的附图图1至图4,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。通常在此处附图中描述和示出的本发明实施例的组件可以以各种不同的配置来布置和设计。
因此,以下对在附图中提供的本发明的实施例的详细描述并非旨在限制要求保护的本发明的范围,而是仅仅表示本发明的选定实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
应注意到:相似的标号和字母在下面的附图中表示类似项,因此,一旦某一项在一个附图中被定义,则在随后的附图中不需要对其进行进一步定义和解释。
在本发明的描述中,需要说明的是,若出现术语“上”、“下”、“内”、“外”、“行”、“列”、“平行”、“垂直”等指示的方位或位置关系为基于附图所示的方位或位置关系,或者是该发明产品使用时惯常摆放的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。
此外,若出现术语“第一”、“第二”等仅用于区分描述,而不能理解为指示或暗示相对重要性。
需要说明的是,在不冲突的情况下,本发明的实施例中的特征可以相互结合。
参见图4,在一个实施例中,本发明揭示了一种硬屏,包括硬性材料、和在硬性材料上设置的线路、以及设置在硬性材料上的多个LED发光体。
其中,每个LED发光体包括该LED发光体的编码信息;
所述的线路为三线制,包括如下三类线:
第一类连接线,用于电性连接每个LED发光体的供电正极/VCC端;
第二类连接线,用于电性连接每个LED发光体的供电负极/GND端;
第三类连接线,用于电性连接每个LED发光体的数据信号输入引脚DIN端以提供数据信号;
且每个LED发光体根据该LED发光体的编码信息,从所述数据信号中获取针对该LED发光体的对应数据信号。
对于上述实施例而言,其仅仅采用了三线制,且相比现有技术中硬屏还免除了数据信号输出引脚DOUT。对于图4而言,其更多示意了线路和多个LED发光体,而没有示出硬性材料。
将图4与图2对比,图2示意了现有技术中的一种硬屏的结构:
图2的控制器虽然也只利用了一路数据信号,即DATA1,这一点与本发明图4所示的只有DIN一路数据信号表面上相同,但是:
在图2中沿着从右至左的顺序,却能够发现:图2中,其为了实现断点续传的功能,其DATA1不仅直接连接到第一个LED发光体的DIN1引脚,而且还连接到了第二个LED发光体的DIN2引脚,以此来确保,即使第一个LED发光体工作不正常导致其DOUT无法发出有效信号时,第二个LED发光体依然能够通过DIN2引脚获得来自DATA1的数据信号。如果第一个LED发光体工作正常,DOUT将转发出一个经过第第一个LED发光体所处理过的DATA1信号并传入第二个LED发光体的DIN1引脚。第三个LED发光体,类似。
显而易见,对于图2所示意的现有技术:其传输数据信号的主要引脚是DIN1,只有当DIN1收不到信号或工作不正常时,DIN2起到冗余的作用。而且,DIN1的信号默认来自前级的DOUT,DIN2的信号默认来自前级的DIN1。对于后级而言,该后级的DIN1中输入的信号本身经过了前级的处理,所以该后级能够直接获取该后级对应的数据信号;或者,该后级对于其DIN2中输入的信号,经过该后级按照固定处理算法处理,依然能使得该后级获取该后级对应的数据信号。换言之,即使图2中右侧,靠近控制器的第一个LED发光体工作不正常,其后级第二个LED发光体也会工作正常。只有第一个LED发光体、第二个LED发光体都故障时,其余后级才会出现大面积故障的情况。也就是说,对于图2所示的断点续传方案的硬屏,如果连续2个发光体都故障,那么相应的后级将整体故障。
本发明相比图2所示的现有技术,能完全免除掉DIN2引脚/端子以及对应的布线,因为本发明是每个LED发光体本身有自身对应的编码信息,其只需要根据该LED发光体的编码信息,从所述数据信号中获取针对该LED发光体的对应数据信号即可,从而确保各个LED发光体正常工作。图2所示的现有技术则完全不依靠LED发光体的编码,而是:要么由前级处理数据信号后通过DOUT传给下一级,要么下一级根据DIN2的信号,按照固定的处理算法处理后,获取自身该级所需要的数据信号后,并继续通过DOUT向后传送。本发明中的编码信息指的是每个LED发光体的地址编码信息或ID编码信息,以区分各个LED发光体,该信息可以通过OTP的方式或其他烧录技术硬性存储在LED发光体中,并改变有关存储元件的状态以此固化、硬性的存储。
正是由于本发明能够免除掉DIN2此类冗余引脚和其连接前级DIN1的布线,以及免除掉后级DIN1连接前级DOUT的布线,而仅仅采用三线制连接所有的LED发光体,所以,本发明能够显著降低布线复杂度及其布线成本,也能够显著降低故障率改善良率。典型的,由于本发明中第三类连接线作为数据信号线,直接与每个LED发光体的DIN连接,而每个LED发光体有其自身的编码信息并正确的从数据信号线上获取到自身发光体所对应的数据信号,且每个LED发光体自身都连接对应的VCC和GND,那么,当任意一个LED发光体故障后,甚至连续两个LED发光体或者更多个发生故障后,本发明的硬屏依然能够确保其余发光体的工作。
另外,将本发明与图3所示的现有技术相比:
图3的控制器相比图2增添了一路数据信号,即DATA2,这一点与本发明图4所示的只有DIN一路数据信号不同。显而易见,图3相比图2的现有技术,线路更加复杂,更容易比图2所示的现有技术增加故障。
综上,本发明能够有效降低硬屏总体成本和改善良率。
在另一个实施例中,所述硬性材料为具有一定透光率的材料。
一定透光率,例如是接近完全透明的情况,或者是半透明的情况,这取决于硬屏希望达到什么样的视觉效果。此外,需要说明的是,由于本发明的布线数量减少,那么相应的焊点也将减少,对于同一透光率的硬性材料,本发明的硬屏将进一步改善透明度。由于本发明布线数量减少,那么在满足透明度的前提下,本发明相比现有技术,更能够提高硬屏中布线的线宽以改善承受电流的能力。
在另一个实施例中,所述硬屏为玻璃屏。
在另一个实施例中,所述线路设置在硬性材料的一面。
在另一个实施例中,所述硬屏具有如下任一特点:
(1)每2个硬屏能够拼接成1个屏;
(2)所述多个LED发光体为并联关系。
对于上述2个实施例,能够发现:
由于本发明的技术方案可以不用过孔,因此,三线制的线路可以设置在硬性材料的一面。设置在一面,另一面可以用于贴敷安装。
此外,每2个硬屏能够拼接成1个屏,只需要两个硬屏之间的第一类连接线、第二类连接线、第三类连接线彼此电性连接即可。
此外,对于每个硬屏而言,其中的多个LED发光体优选为并联关系,这是因为并联时,更加有利于拼接。优选为并联,意味着并不完全排除其他连接方式,无论串联或并联抑或混联,均需满足基本的耐电压、耐电流的要求。虽然本实施例强调了拼接,但是不排除将硬屏切割,只要依然使得各类连接线的功能总体上正常、相应的LED发光体功能总体上正常即可。
在另一个实施例中,所述第一类连接线、第二类连接线、第三类连接线彼此平行。
在另一个实施例中,所述第一类连接线、第二类连接线、第三类连接线至少每类连接线有一条线。
在另一个实施例中,所述多个LED发光体,设置为平行的多个行或列。
对于上述2个实施例,能够理解,各个连接线之间平行、多个LED发光体设置为平行的多个行/列,均有利于视觉效果和拼接。
在另一个实施例中,所述第一类连接线、第二类连接线、第三类连接线均设置为一层线路或两层线路。
在另一个实施例中,所述第一类连接线、第二类连接线、第三类连接线上分别设置有多个第一类型引脚、多个第二类型引脚、多个第三类型引脚;
每个第一类型引脚,用于电性连接每个LED发光体的供电正极/VCC端;
每个第二类型引脚,用于电性连接每个LED发光体的供电负极/GND端;
每个第三类型引脚,用于电性连接每个LED发光体的数据信号输入引脚DIN端以提供数据信号。
在另一个实施例中,所述LED发光体包括贴片式的LED。
在另一个实施例中,所述LED发光体包括:至少1个LED灯珠芯片和任何连接所述LED灯珠芯片的IC或其他元器件。
需要说明的是,就LED的发光而言,无论是AC还是DC驱动,LED自身最低要求是两线供电。由于LED芯片技术的发展,即使没有驱动IC,也能利用占用面积较小的一定数量LED芯片形成LED发光体,并直接被AC或DC驱动。
此外,需要说明的是,LED的驱动领域中,已经出现利用供电线例如零火线/正负极线,在供电的同时传送数据信号的技术。这相当于一种载波技术。这意味着,即使没有第三类连接线,只通过第一类连接线和第二类连接线,其同样能够传送数据信号。无论该数据信号是针对不同LED发光体、还是针对单个LED发光体中不同LED芯片的特定编码信号,无论该数据信号是具体LED发光体/LED芯片的地址编码信号、还是照明或显示的颜色的色彩信号,都可以利用此种载波技术实现相应数据信号的传送。
在另一个实施例中,所述多个LED发光体等间距的设置。
在另一个实施例中,所述硬屏上每一行/列的LED发光体,在该行/列内,相邻的LED发光体被等间距的设置。
能够理解,以上这两个实施例,均有利于实现等间距的视觉效果。
在另一个实施例中,所述多个LED发光体之间共地。
在另一个实施例中,在载板正面的两端,还设置有:
用于电性连接LED发光体的数据信号输入引脚DIN端。
如此,即使涉及数据信号输入,所述载板同样能够与相同结构的载板前后级联。
在另一个实施例中,每个LED发光体的编码信息均不相同。
在另一个实施例中,每个LED发光体的编码信息代表每个LED发光体的ID或该LED发光体在硬屏中的地址。
在另一个实施例中,每个LED发光体包括存储器,所述存储器包括该LED发光体的编码信息。
在另一个实施例中,所述LED发光体的编码信息预先烧录到每个LED发光体。
在另一个实施例中,所述硬屏可以安装在任何表面或者安装在任何夹层中间。
此外,本发明还揭示了一种显示装置,其中,所述显示装置包括上述任一所述的硬屏。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到的变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应以所述权利要求的保护范围为准。
Claims (10)
- 一种硬屏,其特征在于,包括硬性材料、在硬性材料上设置的线路、以及设置在硬性材料上的多个LED发光体,其中,每个LED发光体包括该LED发光体的编码信息;所述的线路为三线制,包括如下三类线:第一类连接线,用于电性连接每个LED发光体的供电正极/VCC端;第二类连接线,用于电性连接每个LED发光体的供电负极/GND端;第三类连接线,用于电性连接每个LED发光体的数据信号输入引脚DIN端以提供数据信号;且每个LED发光体根据该LED发光体的编码信息,从所述数据信号中获取针对该LED发光体的对应数据信号。
- 如权利要求1所述的硬屏,其特征在于,所述硬性材料为具有透光率的材料。
- 如权利要求1所述的硬屏,其特征在于,所述硬屏为玻璃屏。
- 如权利要求1所述的硬屏,其特征在于,所述线路设置在硬性材料的一面上。
- 如权利要求1所述的硬屏,其特征在于,所述硬屏具有如下任一特点:(1)每2个硬屏能够拼接成1个屏;(2)所述多个LED发光体为并联关系。
- 如权利要求1所述的硬屏,其特征在于,所述第一类连接线、第二类连接线、第三类连接线彼此平行。
- 如权利要求1所述的硬屏,其特征在于,所述多个LED发光体,设置为平行的多个行或列。
- 如权利要求1所述的硬屏,其特征在于,所述第一类连接线、第二类连接线、第三类连接线均设置为一层线路或两层线路。
- 如权利要求1所述的硬屏,其特征在于,所述第一类连接线、第二类连接线、第三类连接线上分别设置有多个第一类型引脚、多个第二类型引脚、多个第三类型引脚;所述的第一类型引脚用于电性连接每个LED发光体的供电正极/VCC端;所述的第二类型引脚用于电性连接每个LED发光体的供电负极/GND端;所述的第三类型引脚用于电性连接每个LED发光体的数据信号输入引脚DIN端以提供数据信号。
- 一种显示装置,其特征在于,包括如权利要求1至9任一所述的硬屏。
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