TWI771866B - Transmissive display module and electronic device using the sam - Google Patents
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Description
本發明係關於一種顯示模組,尤指一種穿透式顯示模組及其電子裝置。The present invention relates to a display module, in particular to a transmissive display module and an electronic device thereof.
有機發光二極體已被廣泛地應用於小體積的電子裝置,例如:遊戲機、手機、PDA、智慧手錶或智慧手環等。依據有機發光二極體顯示模組的出光方式,大致可分為向上發光、向下發光及全穿透式發光等模式。另一方面,具指紋辨識功能的光學指紋辨識模組也已被廣泛地設置於電子裝置中。然而,如電子裝置所配置的顯示模組為全穿透式發光的模式,當使用者在進行指紋辨識時,光學指紋辨識模組可能會同時接收到發光單元,即像素,所發射出的光線,以及自使用者手指反射的光訊號,如此便可能導致光學指紋感測模組對於指紋光訊號的誤判。Organic light-emitting diodes have been widely used in small-sized electronic devices, such as game consoles, mobile phones, PDAs, smart watches or smart bracelets. According to the light emitting mode of the organic light emitting diode display module, it can be roughly divided into upward light emitting, downward light emitting and full penetration light emitting modes. On the other hand, optical fingerprint recognition modules with fingerprint recognition function have also been widely installed in electronic devices. However, if the display module configured in the electronic device is a fully-transmissive light-emitting mode, when the user is performing fingerprint identification, the optical fingerprint identification module may simultaneously receive the light emitted by the light-emitting unit, that is, the pixel. , and the optical signal reflected from the user's finger, which may lead to misjudgment of the fingerprint optical signal by the optical fingerprint sensing module.
是以,如何提供一種可避免光學指紋感測模組誤判,並提升指紋辨識精確度的穿透式顯示模組,為本發明欲解決的技術課題。Therefore, how to provide a transmissive display module that can avoid misjudgment by the optical fingerprint sensing module and improve the accuracy of fingerprint identification is the technical subject to be solved by the present invention.
本發明之主要目的,在於提供一種可避免光學指紋感測模組的誤判,並提升指紋辨識精確度的穿透式顯示模組及其電子裝置。The main purpose of the present invention is to provide a transmissive display module and its electronic device which can avoid misjudgment of the optical fingerprint sensing module and improve the accuracy of fingerprint identification.
為達前述之目的,本發明提供一種穿透式顯示模組,包括: 透光基板; 多個第一導線,形成於透光基板之上且沿第一方向延伸設置; 多個第一電極串列,形成於第一導線之上; 第一阻隔層,覆蓋第一電極串列,並於對應於第一電極串列的位置形成複數個次像素區; 多個第二阻隔層,形成於第一阻隔層之上以形成多個主像素區,且次像素區位於主像素區之中; 有機發光材料層,形成於第一阻隔層及第二阻隔層之上,並於次像素區形成多個發光單元; 多個第二電極串列,形成於有機發光材料層之上,且沿第二方向延伸設置;以及 多個第二導線,形成於透光基板之上並與第二電極串列電性連接; 其中,第一導線與第一電極串列之間包括對應於次像素區的多個反射層。 In order to achieve the aforementioned purpose, the present invention provides a transmissive display module, comprising: light-transmitting substrate; a plurality of first wires, formed on the transparent substrate and extending along the first direction; a plurality of first electrode series formed on the first wires; a first blocking layer covering the first electrode series and forming a plurality of sub-pixel regions at positions corresponding to the first electrode series; A plurality of second blocking layers are formed on the first blocking layers to form a plurality of main pixel regions, and the sub pixel regions are located in the main pixel region; an organic light-emitting material layer, formed on the first blocking layer and the second blocking layer, and forming a plurality of light-emitting units in the sub-pixel region; a plurality of second electrode series, formed on the organic light-emitting material layer and extending along the second direction; and a plurality of second wires formed on the transparent substrate and electrically connected in series with the second electrodes; Wherein, a plurality of reflective layers corresponding to the sub-pixel regions are included between the first wires and the first electrode series.
於上述較佳實施方式中,其中穿透式顯示模組進一步包括第一顯示區及第二顯示區,且第一顯示區具有反射層,第二顯示區不具有反射層。In the above preferred embodiment, the transmissive display module further includes a first display area and a second display area, and the first display area has a reflective layer, and the second display area does not have a reflective layer.
於上述較佳實施方式中,其中第一導線及第一電極串列的材質為:氧化銦錫、氧化銦鋅、氧化鋅或二氧化錫,第二電極串列的材質為:鋁或銀。In the above preferred embodiment, the material of the first wire and the first electrode series is indium tin oxide, indium zinc oxide, zinc oxide or tin dioxide, and the material of the second electrode series is aluminum or silver.
於上述較佳實施方式中,其中該些反射層的材質為:鉬鉭合金、鉬或銅。In the above preferred embodiment, the materials of the reflective layers are: molybdenum-tantalum alloy, molybdenum or copper.
本發明另提供一種電子裝置,包括: 穿透式顯示模組,包括: 透光基板; 多個第一導線,形成於透光基板之上且沿第一方向延伸設置; 多個第一電極串列,形成於第一導線之上; 第一阻隔層,覆蓋第一電極串列,並於對應於第一電極串列的位置形成多個次像素區; 多個第二阻隔層,形成於第一阻隔層之上以形成多個主像素區,且次像素區位於主像素區之中; 有機發光材料層,形成於第一阻隔層及第二阻隔層之上,並於次像素區形成多個發光單元; 多個第二電極串列,形成於有機發光材料層之上,且沿第二方向延伸設置;以及 多個第二導線,形成於透光基板之上並與第二電極串列電性連接; 殼體,用以與穿透式顯示模組相結合;以及 光學指紋感測模組,設置於穿透式顯示模組的下方 其中,第一導線與第一電極串列之間包括對應於次像素區的多個反射層。 The present invention also provides an electronic device, comprising: Transmissive display module, including: light-transmitting substrate; a plurality of first wires, formed on the transparent substrate and extending along the first direction; a plurality of first electrode series formed on the first wires; a first blocking layer covering the first electrode series and forming a plurality of sub-pixel regions at positions corresponding to the first electrode series; A plurality of second blocking layers are formed on the first blocking layers to form a plurality of main pixel regions, and the sub pixel regions are located in the main pixel region; an organic light-emitting material layer, formed on the first blocking layer and the second blocking layer, and forming a plurality of light-emitting units in the sub-pixel region; a plurality of second electrode series, formed on the organic light-emitting material layer and extending along the second direction; and a plurality of second wires formed on the transparent substrate and electrically connected in series with the second electrodes; a casing for combining with the transmissive display module; and The optical fingerprint sensing module is arranged below the transmissive display module Wherein, a plurality of reflective layers corresponding to the sub-pixel regions are included between the first wires and the first electrode series.
於上述較佳實施方式中,其中穿透式顯示模組進一步包括第一顯示區及第二顯示區,且第一顯示區具有反射層,第二顯示區不具有反射層。In the above preferred embodiment, the transmissive display module further includes a first display area and a second display area, and the first display area has a reflective layer, and the second display area does not have a reflective layer.
於上述較佳實施方式中,其中光學指紋感測模組配置於第一顯示區的下方。In the above preferred embodiment, the optical fingerprint sensing module is disposed below the first display area.
於上述較佳實施方式中,其中第一導線及第一電極串列的材質為:氧化銦錫、氧化銦鋅、氧化鋅或二氧化錫,第二電極串列的材質為:鋁或銀。In the above preferred embodiment, the material of the first wire and the first electrode series is indium tin oxide, indium zinc oxide, zinc oxide or tin dioxide, and the material of the second electrode series is aluminum or silver.
於上述較佳實施方式中,其中反射層的材質為:鉬鉭合金、鉬或銅。In the above preferred embodiment, the material of the reflective layer is: molybdenum-tantalum alloy, molybdenum or copper.
本發明的有益效果在於,穿透式顯示模組可利用反射層的設置,降低光學指紋感測模組對於光訊號的誤判。另一方面,藉由提高單位面積內發光單元,即像素,的數量,可進一步提升自指紋反射之光訊號的解析度,而可有效提升光學指紋感測模組對於指紋辨識的精確度。The beneficial effect of the present invention is that the transmissive display module can utilize the setting of the reflective layer to reduce the misjudgment of the optical signal by the optical fingerprint sensing module. On the other hand, by increasing the number of light-emitting units, ie, pixels, per unit area, the resolution of the light signal reflected from the fingerprint can be further improved, and the accuracy of the optical fingerprint sensing module for fingerprint identification can be effectively improved.
本發明的優點及特徵以及達到其方法將參照例示性實施例及附圖進行更詳細的描述而更容易理解。然而,本發明可以不同形式來實現且不應被理解僅限於此處所陳述的實施例。相反地,對所屬技術領域具有通常知識者而言,所提供的此些實施例將使本揭露更加透徹與全面且完整地傳達本發明的範疇。The advantages and features of the present invention and the methods for achieving the same will be better understood from the more detailed description with reference to the exemplary embodiments and the accompanying drawings. However, the present invention may be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the scope of the invention to those of ordinary skill in the art.
本發明所提供之生理偵測模組是由被動有機發光二極體相關的製程所製作,而相關製程為本領域技術人員已知的技術,其製程細節在此就不再進行贅述。The physiological detection module provided by the present invention is fabricated by the related process of passive organic light emitting diode, and the related process is known to those skilled in the art, and the details of the process will not be repeated here.
首先,請參閱圖1、圖2A及圖2B所示。圖1係為本發明所提供之穿透式顯示模組的俯視圖;圖2A係為圖1的穿透式顯示模組沿A-A’線段之剖面示意圖;圖2B係為圖1的穿透式顯示模組沿B-B’線段之剖面示意圖。所述穿透式顯示模組10包括:透光基板11、多個第一導線12、多個第一電極串列13、多個反射層14、第一阻隔層15、多個第二阻隔層16、有機發光材料層17、多個第二電極串列18及多個第二導線19。First, please refer to FIG. 1 , FIG. 2A and FIG. 2B . 1 is a top view of the transmissive display module provided by the present invention; FIG. 2A is a schematic cross-sectional view of the transmissive display module of FIG. 1 along the line AA'; FIG. 2B is the transmissive display module of FIG. 1 The cross-sectional schematic diagram of the type display module along the BB' line segment. The
所述第一導線12形成於透光基板11之上,並沿著第一方向延伸設置。於本實施例中,第一導線12係沿著X軸方向延伸設置;而第一電極串列13則形成於第一導線12之上,使第一電極串列13亦為沿著X軸方向延伸設置的形式。其中,第一導線12及第一電極串列13的材質可為:氧化銦錫、氧化銦鋅、氧化鋅或二氧化錫。另一方面,所述多個反射層14設置於第一導線12與第一電極串列13之間,其中,反射層14的材質可為:鉬鉭合金、鉬或銅。在一些可能的實施方式中,可以蒸鍍的方式先於第一導線12表面形成多個間隔設置的反射層14,隨後再於第一導線12上形成第一電極串列13。The
所述第一阻隔層15覆蓋於第一電極串列13之上,並於對應於第一電極串列13的位置形成多個下凹的次像素區151,並讓部分的第一電極串列13顯露於次像素區151中,且次像素區151的設置位置係對應於下方的反射層14。接著,多個倒梯形狀的第二阻隔層16可選擇地形成於第一阻隔層15之上,以形成多個主像素區161,且多個次像素區151位於主像素區161之中。於本實施例中,每個主像素區161中包含了4個次像素區151。The
所述有機發光材料層17形成於第一阻隔層15及第二阻隔層16之上,並於次像素區151中形成多個發光單元171,而發光單元171即所謂的像素。The organic light-emitting
所述多個第二電極串列18形成於有機發光材料層17之上,並藉由第二阻隔層16的區隔,使第二電極串列18呈沿第二方向延伸設置的形式。於本實施例中,第二電極串列18係沿著Y軸方向延伸設置。另一方面,多個第二導線19形成於透光基板11之上,並與第二電極串列18電性連接。於本實施例中,第二電極串列18的一端部分地覆蓋第二導線19,而與第二導線19電性連接。The plurality of
所述第一導線12及第二導線19可與電子裝置中其它的電子元件電性連接。於本實施例中,第一導線12及第一電極串列13是作為穿透式顯示模組10的陽極;而第二導線19及第二電極串列18則作為陰極使用,當電力經由第一導線12及第二導線19提供予穿透式顯示模組10時,位於第一電極串列13及第二電極串列18間的發光單元171則會受到激發而產生光線。The
圖3A係為本發明所提供之穿透式顯示模組設置於電子裝置之示意圖;圖3B係為圖3A中區域C之放大圖。所述電子裝置1為一種具有指紋辨識功能的小體積電子裝置,其包括:穿透式顯示模組10、殼體20及光學指紋感測模組30。所述殼體20可與穿透式顯示模組10相結合以形成密閉的容置空間,而可用於容納並配置電子裝置1的其它電子元件(未示於圖中)及光學指紋感測模組30。於本實施例中,穿透式顯示模組10包括第一顯示區101及第二顯示區102,其中,第一顯示區101具有反射層14(如圖2A及圖2B所示);而第二顯示區102不具有反射層14。另一方面,光學指紋感測模組30則配置於第一顯示區101的下方,而使用者可以手指9按壓第一顯示區101以進行指紋辨識。本發明所述之電子裝置1可為:門禁顯示人員與指紋安管裝置或保險櫃整合指紋安管裝置,但並不以前述裝置為限。FIG. 3A is a schematic view of the transmissive display module provided by the present invention disposed in an electronic device; FIG. 3B is an enlarged view of the area C in FIG. 3A . The
請繼續參閱圖3B。首先,需先說明的是,圖3B省略繪示了穿透式顯示模組中的封裝元件及蓋板等習知結構。當使用者在進行指紋辨識時,發光單元171,即像素,會朝向手指9的指紋91發射一光線L1,受到照射的指紋91則會反射一光線L2。隨後,光線L2會穿過反射層14之間的間隙,並傳遞至光學指紋感測模組30。而由於反射層14的設置,使得光學指紋感測模組30並不會接收到部分向下方發射的光線L1,而可降低光學指紋感測模組30對於指紋91之光訊號的誤判。另一方面,由於每個主像素區161內包含了多個發光單元171,而可進一步提升自指紋91反射之光訊號的解析度,而可有效提升光學指紋感測模組30其指紋辨識的精確度。Please continue to refer to Figure 3B. First of all, it should be noted that FIG. 3B omits and illustrates conventional structures such as packaging elements and cover plates in the transmissive display module. When the user is performing fingerprint identification, the light-
相較於習知技術,本發明所提供之穿透式顯示模組利用反射層的設置,有效降低光學指紋感測模組對於光訊號的誤判。另一方面,藉由提高單位面積內發光單元,即像素,的數量,而進一步提升自指紋反射之光訊號的解析度,而可有效提升光學指紋感測模組其辨識指紋的精確度;故,本發明實為一極具產業價值之創作。Compared with the prior art, the transmissive display module provided by the present invention utilizes the setting of the reflective layer to effectively reduce the misjudgment of the optical signal by the optical fingerprint sensing module. On the other hand, by increasing the number of light-emitting units, ie pixels, per unit area, the resolution of the light signal reflected from the fingerprint can be further improved, and the accuracy of the fingerprint identification of the optical fingerprint sensing module can be effectively improved; therefore, , the present invention is a creation of great industrial value.
本發明得由熟悉本技藝之人士任施匠思而為諸般修飾,然皆不脫如附申請專利範圍所欲保護。The present invention can be modified in various ways by those who are familiar with the art, but all of them do not deviate from the intended protection of the scope of the appended patent application.
C 區域
L1、L2 光線
1 電子裝置
10 穿透式顯示模組
101 第一顯示區
102 第二顯示區
11 透光基板
12 第一導線
13 第一電極串列
14 反射層
15 第一阻隔層
151 次像素區
16 第二阻隔層
161 主像素區
17 有機發光材料層
171 發光單元
18 第二電極串列
19 第二導線
20 殼體
30 光學指紋感測模組
9 手指
91 指紋
Area C
L1,
圖1:係為本發明所提供之穿透式顯示模組的俯視圖;Fig. 1: is the top view of the transmissive display module provided by the present invention;
圖2A:係為圖1的穿透式顯示模組沿A-A’線段之剖面示意圖;Fig. 2A: is the cross-sectional schematic diagram of the transmissive display module of Fig. 1 along A-A' line segment;
圖2B:係為圖1的穿透式顯示模組沿B-B’線段之剖面示意圖;Fig. 2B: is the cross-sectional schematic diagram of the transmissive display module of Fig. 1 along the B-B' line segment;
圖3A:係為本發明所提供之穿透式顯示模組設置於電子裝置之示意圖;以及FIG. 3A is a schematic diagram of the transmissive display module provided by the present invention being installed in an electronic device; and
圖3B係為圖3A中區域C之放大圖。FIG. 3B is an enlarged view of area C in FIG. 3A .
L1、L2 光線
10 穿透式顯示模組
11 透光基板
14 反射層
15 第一阻隔層
151 次像素區
16 第二阻隔層
161 主像素區
17 有機發光材料層
171 發光單元
30 光學指紋感測模組
9 手指
91 指紋
L1,
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CN107168465A (en) * | 2017-05-15 | 2017-09-15 | 京东方科技集团股份有限公司 | Display module and display device |
TW201833637A (en) * | 2017-03-07 | 2018-09-16 | 大陸商廣東歐珀移動通信有限公司 | Display screen, display screen assembly, and terminal |
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2021
- 2021-01-08 TW TW110100782A patent/TWI771866B/en active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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TW201833637A (en) * | 2017-03-07 | 2018-09-16 | 大陸商廣東歐珀移動通信有限公司 | Display screen, display screen assembly, and terminal |
CN107168465A (en) * | 2017-05-15 | 2017-09-15 | 京东方科技集团股份有限公司 | Display module and display device |
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