TWI724763B

TWI724763B - Display module

Info

Publication number: TWI724763B
Application number: TW109102104A
Authority: TW
Inventors: 蔡文榮; 蔡清裕; 蔡惠蓉; 陳冠仁; 陳煜東
Original assignee: 恆顥科技股份有限公司
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2021-04-11
Also published as: TW202129470A

Abstract

A display module for a vehicle, including a plurality of display regions and a black frame region surrounding the display regions is provided. An absolute value of an average-reflectance difference of an average reflectance of each of the display region and an average reflectance of the black frame region is less than 1%. An absolute value of a chromaticity difference of each of the display region and the black frame region is less than 2.

Description

顯示模組Display module

本發明是有關於一種顯示模組，且特別是有關於一種用於交通工具的顯示模組。The present invention relates to a display module, and particularly relates to a display module for transportation.

在一般的車用顯示系統中，其例如是包括位於正駕駛座前的儀表板、正/副駕駛座之間的中控面板、延伸至副駕駛座前方的顯示面板，兩兩面板之間設有黑色邊框區。但是，當上述三個面板（即儀表板、中控面板、顯示面板）沒有顯示影像時，三個面板所呈現的黑色與黑色邊框區所呈現的黑色可被人眼察覺其不同，導致現有的車用顯示系統無法達到面板區與邊框區的視覺一體性，而無法符合未來高階車用需求。In a general vehicle display system, it includes, for example, an instrument panel located in front of the driver's seat, a center control panel between the driver's seat and the front passenger's seat, and a display panel extending to the front of the passenger's seat. There is a black border area. However, when the above three panels (that is, the instrument panel, the center control panel, and the display panel) do not display images, the black presented by the three panels and the black presented by the black border area can be noticed by human eyes. The car display system cannot achieve the visual integration of the panel area and the frame area, and cannot meet the needs of high-end cars in the future.

本發明提供一種用於交通工具的顯示模組，其具有良好的視覺一體性。The present invention provides a display module for vehicles, which has good visual integration.

本發明的一實施例提供一種用於交通工具的顯示模組，包括多個顯示區與黑色邊框區。黑色邊框區圍繞這些顯示區。各顯示區的平均反射率與黑色邊框區的平均反射率之間的平均反射率差值的絕對值小於3%，且各顯示區與黑色邊框區之間的一色度差值小於3。An embodiment of the present invention provides a display module for a vehicle, which includes a plurality of display areas and a black frame area. The black border area surrounds these display areas. The absolute value of the average reflectance difference between the average reflectance of each display area and the average reflectance of the black frame area is less than 3%, and the chromaticity difference between each display area and the black frame area is less than 3.

在本發明的一實施例中，上述的各顯示區的平均反射率與黑色邊框區的平均反射率之間的平均反射率差值的絕對值小於1%，且各顯示區與黑色邊框區之間的一色度差值小於2。In an embodiment of the present invention, the absolute value of the average reflectance difference between the average reflectance of each display area and the average reflectance of the black frame area is less than 1%, and the difference between each display area and the black frame area is less than 1%. A chromaticity difference between is less than 2.

在本發明的一實施例中，上述的這些顯示區包括至少一第一顯示區與至少一第二顯示區。第一顯示區為觸控顯示區且包括第一顯示面板與設置於第一顯示面板上的觸控感應層，且第二顯示區包括第二顯示面板。In an embodiment of the present invention, the above-mentioned display areas include at least one first display area and at least one second display area. The first display area is a touch display area and includes a first display panel and a touch sensing layer disposed on the first display panel, and the second display area includes a second display panel.

在本發明的一實施例中，上述的第一顯示區更包括第一光學疊層與第二光學疊層。觸控感應層設置於第一光學疊層與第二光學疊層之間，且第二光學疊層設置於觸控感應層與第一顯示面板之間。第一光學疊層更包括彼此堆疊的第一折射率層與第三折射率層。第一折射率層的折射率小於第三折射率層的折射率。第二光學疊層更包括彼此堆疊的第二折射率層與第四折射率層。第二折射率層的折射率小於第四折射率層的折射率。In an embodiment of the present invention, the above-mentioned first display area further includes a first optical stack and a second optical stack. The touch sensing layer is disposed between the first optical stack and the second optical stack, and the second optical stack is disposed between the touch sensing layer and the first display panel. The first optical stack further includes a first refractive index layer and a third refractive index layer stacked on each other. The refractive index of the first refractive index layer is smaller than the refractive index of the third refractive index layer. The second optical stack further includes a second refractive index layer and a fourth refractive index layer stacked on each other. The refractive index of the second refractive index layer is smaller than the refractive index of the fourth refractive index layer.

在本發明的一實施例中，上述的第一光學疊層更包括另一第一折射率層，第三折射率層位於另一第一折射率層與第一折射率層之間。In an embodiment of the present invention, the aforementioned first optical laminate further includes another first refractive index layer, and the third refractive index layer is located between the other first refractive index layer and the first refractive index layer.

在本發明的一實施例中，上述的觸控感應層位於二第一折射率層中的一者與第二折射率層之間，且第四折射率層位於第二折射率層與第一顯示面板之間。In an embodiment of the present invention, the aforementioned touch sensing layer is located between one of the two first refractive index layers and the second refractive index layer, and the fourth refractive index layer is located between the second refractive index layer and the first refractive index layer. Between display panels.

在本發明的一實施例中，上述的第一折射率層與第二折射率層的材料包括二氧化矽、二氟化鎂或其組合，且第三折射率層與第四折射率層的材料包括五氧化二鈮、二氧化鈦、五氧化二鉭、氮化矽或其組合。In an embodiment of the present invention, the material of the above-mentioned first refractive index layer and the second refractive index layer includes silicon dioxide, magnesium difluoride or a combination thereof, and the third refractive index layer and the fourth refractive index layer are The material includes niobium pentoxide, titanium dioxide, tantalum pentoxide, silicon nitride or a combination thereof.

在本發明的一實施例中，上述的第二顯示區更包括彼此堆疊的第一光學疊層與第二光學疊層。第一光學疊層更包括第一折射率層與第三折射率層。第一折射率層的折射率小於第三折射率層的折射率。第二光學疊層包括彼此堆疊的第二折射率層與第四折射率層。第二折射率層的折射率小於第四折射率層的折射率。In an embodiment of the present invention, the above-mentioned second display area further includes a first optical stack and a second optical stack stacked on each other. The first optical stack further includes a first refractive index layer and a third refractive index layer. The refractive index of the first refractive index layer is smaller than the refractive index of the third refractive index layer. The second optical stack includes a second refractive index layer and a fourth refractive index layer stacked on each other. The refractive index of the second refractive index layer is smaller than the refractive index of the fourth refractive index layer.

在本發明的一實施例中，上述的第二折射率層位於二第一折射率層中的一者與第四折射率層之間，第四折射率層位於第二顯示面板與第二折射率層之間。In an embodiment of the present invention, the aforementioned second refractive index layer is located between one of the two first refractive index layers and the fourth refractive index layer, and the fourth refractive index layer is located between the second display panel and the second refractive index layer. Rate between layers.

在本發明的一實施例中，上述的第二折射率層的材料包括五氧化二鈮、二氧化鈦、五氧化二鉭或其組合，且第四折射率層的材料包括二氧化矽、二氟化鎂、氮化矽或其組合。In an embodiment of the present invention, the material of the above-mentioned second refractive index layer includes niobium pentoxide, titanium dioxide, tantalum pentoxide or a combination thereof, and the material of the fourth refractive index layer includes silicon dioxide, difluoride Magnesium, silicon nitride or a combination thereof.

在本發明的一實施例中，上述的交通工具為汽車、飛機、直升機、火車、船隻、太空船或火箭。In an embodiment of the present invention, the aforementioned means of transportation are cars, airplanes, helicopters, trains, ships, space ships or rockets.

基於上述，在本發明實施例的顯示模組中，由於顯示區的平均反射率與黑色邊框區的平均反射率之間的平均反射率差值的絕對值被設計為小於3%，且顯示區的色度與黑色邊框區的色度之間的一色度差值的絕對值被設計為小於3。因此，面板區與黑色邊框區在視覺上可具有良好的一致性，顯示模組符合高階的交通工具需求（例如是車用需求）。Based on the above, in the display module of the embodiment of the present invention, the absolute value of the average reflectance difference between the average reflectance of the display area and the average reflectance of the black frame area is designed to be less than 3%, and the display area The absolute value of a chromaticity difference between the chromaticity of and the chromaticity of the black frame area is designed to be less than 3. Therefore, the panel area and the black frame area can have good visual consistency, and the display module meets the needs of high-end vehicles (for example, the needs of vehicles).

為讓本發明的上述特徵和優點能更明顯易懂，下文特舉實施例，並配合所附圖式作詳細說明如下。In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail in conjunction with the accompanying drawings.

圖1為本發明的一實施例的一顯示模組的應用於交通工具的示意圖。圖2A為圖1中的顯示模組的正面示意圖。圖2B為另一實施例的顯示模組的正面示意圖。圖3為圖1中的顯示模組在剖面A-A’的剖面示意圖。圖4是圖1中的第一、第二顯示區內的各元件的放大示意圖。FIG. 1 is a schematic diagram of a display module applied to a vehicle according to an embodiment of the present invention. FIG. 2A is a schematic front view of the display module in FIG. 1. FIG. 2B is a schematic front view of a display module according to another embodiment. FIG. 3 is a schematic cross-sectional view of the display module in FIG. 1 at the cross-section A-A'. FIG. 4 is an enlarged schematic diagram of each element in the first and second display areas in FIG. 1.

請參照圖1，於本實施例中，顯示模組100用於交通工具VH中，且交通工具VH例如是汽車。於其他的實施例中，亦可以是飛機、直升機、火車、船隻、太空船或火箭等其他不同的交通工具，本發明並不以此為限。請參照圖2A與圖3，顯示模組100包括多個顯示區110以及黑色邊框區120。於以下的段落中會先說明上述各區域之間的功用。Please refer to FIG. 1, in this embodiment, the display module 100 is used in a vehicle VH, and the vehicle VH is, for example, a car. In other embodiments, it may also be an airplane, a helicopter, a train, a ship, a space ship, or a rocket, and other different vehicles, and the present invention is not limited to this. 2A and 3, the display module 100 includes a plurality of display areas 110 and a black frame area 120. In the following paragraphs, the functions of the above-mentioned areas will be explained first.

顯示區110係指具有顯示功能的區域。於本實施例中，顯示區110的數量例如是三個，但不以此為限。並且，依據功能的不同，這些顯示區110更包括至少一第一顯示區112與至少一第二顯示區114，其中第一顯示區112為同時具有觸控與顯示功能的觸控顯示區，且觸控顯示區可以採用OGS觸控面板、GG觸控面板、GF2觸控面板等，本發明並不以此為限。第二顯示區114單有顯示功能的顯示區，換言之，第二顯示區114亦可被稱為非觸控顯示區。此外，在本實施例中，這些觸控顯示區、非觸控顯示區可在同一基板上一次整合製作，而可節省製造時間與製造成本。The display area 110 refers to an area with a display function. In this embodiment, the number of display areas 110 is, for example, three, but it is not limited thereto. And, depending on the function, the display areas 110 further include at least one first display area 112 and at least one second display area 114, wherein the first display area 112 is a touch display area with both touch and display functions, and The touch display area can be an OGS touch panel, a GG touch panel, a GF2 touch panel, etc., and the present invention is not limited to this. The second display area 114 only has a display area with a display function. In other words, the second display area 114 can also be referred to as a non-touch display area. In addition, in this embodiment, the touch display area and the non-touch display area can be integrated and manufactured on the same substrate at one time, which can save manufacturing time and manufacturing cost.

請參照圖2A，於本實施例中，第一顯示區112的數量例如是兩個，分別標示為112a、112b，第二顯示區114的數量例如是一個，但不以此為限。第一顯示區112a位於另一第一顯示區112b與第二顯示區114之間，其位置對應於正駕駛座與副駕駛座之間的位置，以作為中控面板（Central Control Panel）。在功能上來說，中控面板例如是可控制交通工具VH內部的冷暖空調、音響、衛星導航或實現其他不同的功能，但本發明並不以此為限。另一第一顯示區112b則是位於第一顯示區112a的右方，其位置對應於副駕駛座，以作為副駕駛座面板。在功能上來說，副駕駛座面板例如是可提供副駕駛影音娛樂內容，但本發明並不以此為限。第二顯示區114位於第一顯示區112a的左方，其位置對應於正駕駛座，以作為儀表板（Instrument cluster），供駕駛讀取重要行車數據，但本發明並不以此為限。Referring to FIG. 2A, in this embodiment, the number of the first display area 112 is, for example, two, which are respectively labeled 112a and 112b, and the number of the second display area 114 is, for example, one, but it is not limited thereto. The first display area 112a is located between the other first display area 112b and the second display area 114, and its position corresponds to the position between the driver's seat and the passenger's seat, and serves as a central control panel (Central Control Panel). In terms of function, the central control panel can, for example, control the heating, cooling, air conditioning, audio, satellite navigation or other different functions inside the vehicle VH, but the present invention is not limited to this. The other first display area 112b is located to the right of the first display area 112a, and its position corresponds to the front passenger seat and serves as a front passenger seat panel. In terms of function, the front passenger seat panel can provide the front passenger's audio-visual entertainment content, but the present invention is not limited to this. The second display area 114 is located to the left of the first display area 112a, and its position corresponds to the front driver's seat, and serves as an instrument cluster (Instrument cluster) for driving to read important driving data, but the present invention is not limited to this.

黑色邊框區120圍繞這些顯示區110，以區隔這些顯示區110。黑色邊框區120例如是不具有顯示功能，因此亦可被視為非顯示區，其中對應於黑色邊框區120的位置可形成黑色油墨BM。The black frame area 120 surrounds the display areas 110 to separate the display areas 110. The black frame area 120, for example, does not have a display function, and therefore can also be regarded as a non-display area, wherein a position corresponding to the black frame area 120 can form a black ink BM.

此外，這些顯示區110與黑色邊框區120之間的布局方式不限於圖2A。請參照圖2B，於另一顯示模組100a中，第一顯示區112a左方與下方分別可設置第二顯示區114與第一顯示區112b，本發明並不以顯示區110與黑色邊框區120的布局方式為限。In addition, the layout between the display area 110 and the black frame area 120 is not limited to FIG. 2A. Please refer to FIG. 2B. In another display module 100a, a second display area 114 and a first display area 112b can be set to the left and below the first display area 112a, respectively. The present invention does not use the display area 110 and the black frame area. The layout of 120 is limited.

於以下的段落中會詳細地說明不同區域內的具體元件。In the following paragraphs, specific components in different areas will be explained in detail.

請參照圖3，大體來說，第一顯示區112（以112a為例）包括第一顯示面板DP1、黏著層ADL1、第一光學疊層OSL1、觸控感應層TSL與第二光學疊層OSL2。另一方面，第二顯示區114包括第二顯示面板DP2、黏著層ADL2以及第一光學疊層OSL1、第二光學疊層OSL2。3, generally speaking, the first display area 112 (taking 112a as an example) includes a first display panel DP1, an adhesive layer ADL1, a first optical laminate OSL1, a touch sensing layer TSL, and a second optical laminate OSL2 . On the other hand, the second display area 114 includes a second display panel DP2, an adhesive layer ADL2, and a first optical stack OSL1 and a second optical stack OSL2.

第一、第二顯示面板DP1、DP2用以顯示影像畫面，且其種類可包括液晶顯示面板、發光二極體顯示面板、微發光二極體顯示面板、有機發光二極體顯示面板或其他適合的顯示面板，本發明不以此為限。The first and second display panels DP1 and DP2 are used to display image frames, and their types can include liquid crystal display panels, light emitting diode display panels, micro light emitting diode display panels, organic light emitting diode display panels or other suitable The present invention is not limited to this display panel.

黏著層ADL1、ADL2例如是具有黏性的光學膠層，其分別設置於第一、第二顯示面板DP1、DP2的表面上。黏著層ADL1可將第一光學疊層OSL1、觸控感應層TSL與第二光學疊層OSL2黏著於第一顯示面板DP1上，而黏著層ADL2可將第一、第二光學疊層OSL1、OSL2黏著於第二顯示面板DP2上。應注意的是，於本實施例中，是透過黏著層ADL1、ADL2將上述元件對應黏著於第一、第二顯示面板DP1、DP2上。但於其他的實施例中，亦可以藉由機構件（未示出）等方式將上述元件支撐於第一、第二顯示面板DP1、DP2上方，而使在圖3中黏著層ADL1、ADL2的位置為空氣間隙，本發明並不以此為限。The adhesive layers ADL1 and ADL2 are, for example, adhesive optical adhesive layers, which are respectively disposed on the surfaces of the first and second display panels DP1 and DP2. The adhesive layer ADL1 can adhere the first optical laminate OSL1, the touch sensing layer TSL, and the second optical laminate OSL2 on the first display panel DP1, and the adhesive layer ADL2 can bond the first and second optical laminates OSL1, OSL2 Adhere to the second display panel DP2. It should be noted that in this embodiment, the above-mentioned components are adhered to the first and second display panels DP1 and DP2 respectively through the adhesive layers ADL1 and ADL2. However, in other embodiments, the above elements can also be supported on the first and second display panels DP1 and DP2 by means of mechanical components (not shown), so that the adhesive layers ADL1 and ADL2 in FIG. 3 The position is an air gap, and the present invention is not limited to this.

第一、第二光學疊層OSL1、OSL2分別為多層具有不同折射率層RL所堆疊而成的光學疊層結構。請參照圖4，舉例來說，第一光學疊層OSL1包括二第一折射率層RL1與第三折射率層RL3，其中第三折射率層RL3夾設於二第一折射率層RL1之間，且第一折射率層RL1的折射率小於第三折射率層RL3的折射率。另一方面，第二光學疊層OSL2包括彼此堆疊的第二折射率層RL2與第四折射率層RL4，且第二折射率層RL2的折射率小於第四折射率層RL4的折射率。The first and second optical laminates OSL1 and OSL2 are respectively an optical laminate structure formed by stacking multiple layers RL with different refractive indexes. 4, for example, the first optical stack OSL1 includes two first refractive index layers RL1 and a third refractive index layer RL3, wherein the third refractive index layer RL3 is sandwiched between the two first refractive index layers RL1 And the refractive index of the first refractive index layer RL1 is smaller than the refractive index of the third refractive index layer RL3. On the other hand, the second optical stack OSL2 includes a second refractive index layer RL2 and a fourth refractive index layer RL4 stacked on each other, and the refractive index of the second refractive index layer RL2 is smaller than the refractive index of the fourth refractive index layer RL4.

於本實施例中，第一、第二折射率層RL1、RL2可選用低折射率材料層，舉例來說，其材料可為二氧化矽（SiO ₂）、二氟化鎂（MgF ₂）或其組合，但不以此為限。第三、第四折射率層RL3、RL4可選用高折射率材料層，舉例來說，其材料可為五氧化二鈮（Nb₂O₅）、二氧化鈦（TiO ₂）、五氧化二鉭（Ta ₂O ₅）、氮化矽（SiN _x）或其組合，但不以此為限。具體而言，於本實施例中，第一折射率層RL1所選用的材料是二氧化矽，第二折射率層RL2所選用的材料是二氧化矽，第三折射率層RL3所選用的材料是五氧化二鈮，且第四折射率層RL4所選用的材料是氮化矽。值得一提的是，若採用氮化矽當作折射率層RL的材料，更可具有阻水阻氣的功效。 In this embodiment, the first and second refractive index layers RL1 and RL2 can be selected from low refractive index material layers. For example, the material can be silicon dioxide (SiO ₂ ), magnesium difluoride (MgF ₂ ) or The combination, but not limited to this. The third and fourth refractive index layers RL3 and RL4 can be made of high refractive index material layers. For example, the material can be niobium pentoxide (Nb₂O₅), titanium dioxide (TiO ₂ ), tantalum pentoxide (Ta ₂ O ₅ ), silicon nitride (SiN _x ) or a combination thereof, but not limited to this. Specifically, in this embodiment, the material selected for the first refractive index layer RL1 is silicon dioxide, the material selected for the second refractive index layer RL2 is silicon dioxide, and the material selected for the third refractive index layer RL3 It is niobium pentoxide, and the material selected for the fourth refractive index layer RL4 is silicon nitride. It is worth mentioning that if silicon nitride is used as the material of the refractive index layer RL, it can also have the effect of blocking water and gas.

觸控感應層TSL為具有觸控功能的電極層，其例如是可具有特定圖案的透明電極層。觸控感應層TSL可藉由其與人體之間的結合所產生之電容變化傳送至顯示模組100內中的處理器(未示出)，以供其檢測觸控座標或達到不同的觸控功能。觸控感應層TSL的材質例如是氧化銦錫（ITO）或者是其他適合的透明電極層，本發明並不以此為限。The touch sensing layer TSL is an electrode layer with a touch function, which is, for example, a transparent electrode layer that can have a specific pattern. The touch sensing layer TSL can be transmitted to the processor (not shown) in the display module 100 by the capacitance change generated by the combination with the human body, so that it can detect the touch coordinates or achieve different touches. Features. The material of the touch sensing layer TSL is, for example, indium tin oxide (ITO) or other suitable transparent electrode layers, and the present invention is not limited thereto.

此外，本實施例的顯示模組100更包括保護玻璃CG，其覆蓋這些顯示區110與黑色邊框區120，以提供保護功能。In addition, the display module 100 of this embodiment further includes a protective glass CG, which covers the display area 110 and the black frame area 120 to provide a protection function.

於以下的段落會搭配圖3、圖4以詳細地說明第一、第二顯示區112、114中的各元件的設置方式。In the following paragraphs, FIG. 3 and FIG. 4 are used to describe in detail the arrangement of the components in the first and second display areas 112 and 114.

在第一顯示區112中，觸控感應層TSL設置於第一、第二光學疊層OSL1、OSL2之間，詳言之，請參照圖4，觸控感應層TSL位於第一折射率層RL1中的一者與第二折射率層RL2之間。第二光學疊層OSL2設置於觸控感應層TSL與第一顯示面板DP1之間，詳言之，第二折射率層RL2位於觸控感應層TSL與第四折射率層RL4之間，第四折射率層RL4位於第二折射率層RL2與第一顯示面板DP1之間。In the first display area 112, the touch sensing layer TSL is disposed between the first and second optical stacks OSL1 and OSL2. For details, please refer to FIG. 4, the touch sensing layer TSL is located on the first refractive index layer RL1 Between one of them and the second refractive index layer RL2. The second optical stack OSL2 is disposed between the touch sensing layer TSL and the first display panel DP1. In detail, the second refractive index layer RL2 is located between the touch sensing layer TSL and the fourth refractive index layer RL4, and the fourth The refractive index layer RL4 is located between the second refractive index layer RL2 and the first display panel DP1.

在第二顯示區114中，第一、第二光學疊層OSL1、OSL2依序堆疊於第二顯示面板DP2上。詳言之，第二光學疊層OSL2位於第一光學疊層OSL1與第二顯示面板DP2之間，第二折射率層RL2位於第一折射率層RL1與第四折射率層RL4之間，第四折射率層RL4位於第二顯示面板DP2與第二折射率層RL2之間。In the second display area 114, the first and second optical stacks OSL1 and OSL2 are sequentially stacked on the second display panel DP2. In detail, the second optical stack OSL2 is located between the first optical stack OSL1 and the second display panel DP2, the second refractive index layer RL2 is located between the first refractive index layer RL1 and the fourth refractive index layer RL4, and the second refractive index layer RL2 is located between the first refractive index layer RL1 and the fourth refractive index layer RL4. The four refractive index layer RL4 is located between the second display panel DP2 and the second refractive index layer RL2.

於以下的段落會搭配圖4以詳細地說明第一、第二顯示區112、114內的第一至第四折射率層RL1~RL4以及觸控感應層TSL的具體厚度。In the following paragraphs, the specific thicknesses of the first to fourth refractive index layers RL1 to RL4 and the touch sensing layer TSL in the first and second display regions 112 and 114 will be described in detail in conjunction with FIG. 4.

在第一、第二顯示區112、114中，第一光學疊層OSL1的第一、第三折射率層RL1、RL3的厚度設計是一樣的。詳言之，上第一折射率層RL1的厚度t _1u為60埃（angstrom），第三折射率層RL3的厚度t ₃為110埃，且下第一折射率層RL1的厚度t _1d為300埃。 In the first and second display areas 112 and 114, the thicknesses of the first and third refractive index layers RL1 and RL3 of the first optical stack OSL1 are the same. In detail, the thickness t _1u of the upper first refractive index layer RL1 is 60 angstroms, the thickness t ₃ of the third refractive index layer RL3 is 110 angstroms, and the thickness t _1d of the lower first refractive index layer RL1 is 300 angstroms. Angstrom.

另一方面，在第一、第二顯示區112、114中，則採用了不同厚度組合的第二光學疊層OSL2。在第一顯示區112中，第二光學疊層OSL2的第二折射率層RL2的厚度t ₂為240埃，第四折射率層RL4的厚度t ₄為260埃。在第二顯示區114中，第二光學疊層OSL2的第二折射率層RL2的厚度t ₂為470埃，第四折射率層RL4的厚度t ₄為170埃。 On the other hand, in the first and second display areas 112 and 114, the second optical laminate OSL2 with different thickness combinations is used. _{In the first display area 112, the thickness t 2} of the second refractive index layer RL2 of the second optical stack OSL2 is 240 angstroms, and the thickness t ₄ of the fourth refractive index layer RL4 is 260 angstroms. _{In the second display area 114, the thickness t 2} of the second refractive index layer RL2 of the second optical stack OSL2 is 470 angstroms, and the thickness t ₄ of the fourth refractive index layer RL4 is 170 angstroms.

此外，在第一顯示區112中，觸控感應層TSL的厚度t為400埃。In addition, in the first display area 112, the thickness t of the touch sensing layer TSL is 400 angstroms.

應注意的是，上述的厚度組合僅為示例，所屬技術領域中具有通常知識者可依據其需求對應設計其他的厚度組合，本發明並不以此為限。It should be noted that the above-mentioned thickness combinations are only examples, and those skilled in the art can design other thickness combinations according to their needs, and the present invention is not limited to this.

圖5是顯示模組中的不同區域的反射率對量測波長的關係圖。於以下段落中會搭配表一示出本實施例在不同區域下所量測到的平均反射率以及平均反射率差值。區域在400奈米至700奈米之間的平均反射率R_ _avg（單位：%）平均反射率差值的絕對值 ΔR （單位：%）黑色邊框區120 6.17 第一顯示區112 6.52 0.35 第二顯示區114 6.20 0.19 表一於此處會針對上述表一參數作進一步的說明。首先，區域內的平均反射率R_ _avg代表的是在對應區域內在一選定波段的反射率平均值，即以下的公式(1)：

…(1) 請參照表一與圖5，表一中的黑色邊框區120的平均反射率R_ _avg為6.17%，其對應為在圖5中黑色邊框區120的反射率曲線下的面積，再針對選定波段（400奈米至700奈米）平均，即上述公式1的意義，其他的數值以此類推。接著，平均反射率差值的絕對值ΔR可由公式(2)定義：

…(2) 其中，公式2中的R ₁(λ _i)、R ₂(λ _i)代表的意思是：在不同的區域1、2中，在一選定波長λ _i下的所量測的反射率，其中當i=1時，λ ₁為400奈米，當i=N時，λ _N為700奈米。請參照表一，以黑色邊框區120為基準，第一、第二顯示區112、114分別相較於黑色邊框區120的平均反射率差值的絕對值ΔR為0.35%、0.19%，其對應到圖5的是：黑色邊框區120的反射率曲線與第一顯示區112的反射率曲線兩曲線之間的面積取絕對值，再針對選定波段（400奈米至700奈米）平均。由表一可知，於本實施例的顯示模組100中，平均反射率差值的絕對值ΔR可被控制在3%以下，更佳地，平均反射率差值的絕對值ΔR可被控制在1%以下。 FIG. 5 is a graph showing the relationship between the reflectivity of different regions in the display module and the measured wavelength. In the following paragraphs, Table 1 shows the average reflectance and the average reflectance difference measured in different regions of this embodiment.

area Average reflectance between 400 nm to 700 nm R_ _avg (Unit:%) The absolute value of the average reflectance difference ΔR (unit: %) Black border area 120 6.17 The first display area 112 6.52 0.35 Second display area 114 6.20 0.19

Table 1 here will further explain the above table 1 parameters. First, the average reflectance in the region _avg R_ is representative of a corresponding intrinsic region of a selected wavelength band average reflectance, i.e., the following equation (1):

... (1) Referring to Table I and FIG. 5, the average reflectance of the black border region Table 120 in R_ _avg of 6.17%, which corresponds to the area under the reflectance black border region 120 of the graph in FIG. 5, and then Average for the selected band (400nm to 700nm), which is the meaning of the above formula 1, and the other values can be deduced by analogy. Then, the absolute value ΔR of the average reflectance difference can be defined by formula (2):

…(2) Among them, R ₁ (λ _i ) and R ₂ (λ _i ) in formula 2 mean: in different regions 1 and 2, the measured reflection _{at a selected wavelength λ i} When i=1, λ ₁ is 400 nm, and when i=N, λ _N is 700 nm. Please refer to Table 1. Taking the black frame area 120 as a reference, the absolute values of the average reflectance difference ΔR of the first and

second display areas

112 and 114 compared to the black frame area 120 are 0.35% and 0.19%, respectively, which correspond to To FIG. 5, the area between the reflectance curve of the black frame area 120 and the reflectance curve of the first display area 112 is taken as an absolute value, and then averaged for the selected wavelength band (400 nm to 700 nm). It can be seen from Table 1 that in the display module 100 of this embodiment, the absolute value of the average reflectance difference ΔR can be controlled below 3%, and more preferably, the absolute value of the average reflectance difference ΔR can be controlled at Less than 1%.

於以下段落中會搭配表二示出本實施例在不同區域下所量測到的色座標與色度差值。區域色座標色度差值 L* a* b* ΔE 黑色邊框區120 29.76 0.39 0.45 第一顯示區112 30.58 -0.24 -1.05 1.82 第二顯示區114 29.78 0.13 -0.68 1.16 表二 L*、a*與b*分別代表為在CIE 1976色彩空間的不同色座標。色度差值ΔE可由以下的公式(3)計算：

…(3) 請參照表一，於本實施例的顯示模組100中，以黑色邊框區120為基準，第一、第二顯示區112、114相較於黑色邊框區120的色度差值ΔE分別為1.82、1.16。由表二可知，於本實施例的顯示模組100中，色度差值ΔE可被控制在3以下，更佳地，色度差值ΔE可被控制在2以下。 In the following paragraphs, Table 2 will be used to show the color coordinates and chromaticity differences measured in different regions of this embodiment.

area Color coordinates Chromaticity difference L* a* b* ΔE Black border area 120 29.76 0.39 0.45 The first display area 112 30.58 -0.24 -1.05 1.82 Second display area 114 29.78 0.13 -0.68 1.16

Table 2 L*, a* and b* respectively represent different color coordinates in the CIE 1976 color space. The chromaticity difference ΔE can be calculated by the following formula (3):

…(3) Please refer to Table 1. In the display module 100 of this embodiment, taking the black frame area 120 as a reference, the chromaticity difference of the first and

second display areas

112, 114 compared to the black frame area 120 ΔE is 1.82, 1.16, respectively. It can be seen from Table 2 that in the display module 100 of this embodiment, the chromaticity difference ΔE can be controlled below 3, and more preferably, the chromaticity difference ΔE can be controlled below 2.

圖6是本發明另一實施例的第一、第二顯示區內的各元件的放大示意圖。圖7A至圖7C為第一、第二顯示區內的各層的第一厚度組合及相應光學參數表。圖8A至圖8C為第一、第二顯示區內的各層的第二厚度組合及相應光學參數表。圖9A至圖9C為第一、第二顯示區內的各層的第三厚度組合及相應光學參數表。圖10A至圖10C為第一、第二顯示區內的各層的第四厚度組合及相應光學參數表。圖11A至圖11C為第一、第二顯示區內的各層的第五厚度組合及相應光學參數表。圖12A至圖12E分別為具有第一至第五厚度組合的不同區域的反射率對量測波長的關係圖。FIG. 6 is an enlarged schematic diagram of each element in the first and second display areas according to another embodiment of the present invention. 7A to 7C are tables of first thickness combinations and corresponding optical parameters of each layer in the first and second display areas. 8A to 8C are the second thickness combinations and corresponding optical parameter tables of the layers in the first and second display areas. 9A to 9C are the third thickness combinations and corresponding optical parameter tables of the layers in the first and second display areas. 10A to 10C are the fourth thickness combinations and corresponding optical parameter tables of the layers in the first and second display areas. 11A to 11C are the fifth thickness combination and corresponding optical parameter table of each layer in the first and second display areas. 12A to 12E are graphs showing the relationship between the reflectance of different regions having the first to fifth thickness combinations versus the measured wavelength, respectively.

請參照圖6，圖6中的第一顯示區112c大致上類似於圖4的第一顯示區112，其主要差異在於：第一顯示區112c的第一光學疊層OSL1c包括彼此堆疊的第三折射率層RL3c、第一折射率層RL1c。也就是說，在圖6中，第三折射率層RL3c並未被第一折射率層RL1c所夾設。並且，在第一折射率層RL1c與黏著層ADL1之間更設有感光樹脂OC。此外，請參照圖7A至圖11C，在第一顯示區112c中，具有不同厚度組合的觸控感應層TSLc、第一至第四折射率層RL1c~RL4c的厚度或多或少與在圖4的第一顯示區112的觸控感應層TSL、第一至第四折射率層RL1~RL4不同，具體的厚度數據示於上述圖中，於此不再贅述。Please refer to FIG. 6, the first display area 112c in FIG. 6 is substantially similar to the first display area 112 in FIG. The refractive index layer RL3c and the first refractive index layer RL1c. That is, in FIG. 6, the third refractive index layer RL3c is not sandwiched by the first refractive index layer RL1c. In addition, a photosensitive resin OC is further provided between the first refractive index layer RL1c and the adhesive layer ADL1. In addition, referring to FIGS. 7A to 11C, in the first display area 112c, the thicknesses of the touch sensing layer TSLc and the first to fourth refractive index layers RL1c~RL4c with different thickness combinations are more or less the same as those in FIG. The touch sensing layer TSL and the first to fourth refractive index layers RL1 to RL4 of the first display area 112 are different. The specific thickness data is shown in the above figure, and will not be repeated here.

另一方面，圖6中的第二顯示區114c大致上類似於圖4中的第二顯示區114，其主要差異在於：第二顯示區114c的第一光學疊層OSL1c包括第三折射率層RL3c、第一折射率層RL1c。也就是說，在圖6中，第三折射率層RL3c並未被第一折射率層RL1c所夾設。並且，在第一折射率層RL1c與黏著層ADL2之間更設有感光樹脂OC。此外，請參照圖7A至圖11C，在第二顯示區114c中，具有不同厚度組合的第一至第四折射率層RL1c~RL4c的厚度或多或少與在圖4的第二顯示區114的第一至第四折射率層RL1~RL4不同，具體的厚度數據示於上述圖中，於此不再贅述。On the other hand, the second display area 114c in FIG. 6 is substantially similar to the second display area 114 in FIG. 4, and the main difference is that the first optical stack OSL1c of the second display area 114c includes a third refractive index layer RL3c, the first refractive index layer RL1c. That is, in FIG. 6, the third refractive index layer RL3c is not sandwiched by the first refractive index layer RL1c. In addition, a photosensitive resin OC is further provided between the first refractive index layer RL1c and the adhesive layer ADL2. In addition, referring to FIGS. 7A to 11C, in the second display area 114c, the thicknesses of the first to fourth refractive index layers RL1c~RL4c with different thickness combinations are more or less the same as those in the second display area 114 of FIG. The first to fourth refractive index layers RL1 to RL4 are different, and the specific thickness data is shown in the above figure, which will not be repeated here.

於本實施例中，感光樹脂OC的厚度例如是小於5微米，其例如是藉由黃光製程製作。黏著層ADL1、ADL2的厚度例如是落在50微米至250微米的範圍內。在薄膜光學的設計上，感光樹脂OC可參與光學的干涉條件，而黏著層ADL1、ADL2對於光學的干涉影響較弱。In this embodiment, the thickness of the photosensitive resin OC is, for example, less than 5 microns, and it is made by, for example, a yellow light process. The thickness of the adhesive layers ADL1 and ADL2 falls within the range of 50 micrometers to 250 micrometers, for example. In the design of thin film optics, the photosensitive resin OC can participate in the optical interference conditions, while the adhesive layers ADL1 and ADL2 have weaker influence on the optical interference.

請參照圖7A至圖11C，針對圖7A至圖11C在第一、第二顯示區112c、114c中的具有不同厚度組合的第一至第四折射率層RL1~RL4，平均反射率差值的絕對值ΔR可被控制在1%(範圍例如是：0.94%~0.61%)以下。Please refer to FIGS. 7A to 11C, for the first to fourth refractive index layers RL1 to RL4 with different thickness combinations in the first and second display areas 112c and 114c in FIGS. 7A to 11C, the average reflectance difference The absolute value ΔR can be controlled below 1% (for example, the range is: 0.94%~0.61%).

請參照圖7A至圖11C，針對圖7A至圖11C在第一、第二顯示區112c、114c中的具有不同厚度組合的第一至第四折射率層RL1~RL4，色度差值ΔE可被控制在1(範圍例如是：0.99~0.66)以下。Referring to FIGS. 7A to 11C, for the first to fourth refractive index layers RL1 to RL4 with different thickness combinations in the first and second display regions 112c and 114c in FIGS. 7A to 11C, the chromaticity difference ΔE can be It is controlled below 1 (for example, the range is: 0.99~0.66).

承上述，在本實施例中，第一、第二顯示區112c、114c亦可藉由圖6的架構，圖7A至圖11C的厚度組合，而可達到優良的平均反射率差值的絕對值ΔR與色度差值ΔE。In view of the above, in the present embodiment, the first and second display areas 112c, 114c can also be combined with the thickness of FIGS. 7A to 11C through the structure of FIG. 6, and an excellent absolute value of the average reflectance difference can be achieved. ΔR and chromaticity difference ΔE.

綜上所述，在本發明實施例的顯示模組中，由於各顯示區的平均反射率與黑色邊框區的平均反射率之間的平均反射率差值的絕對值小於3%，且各顯示區與黑色邊框區之間的色度差值小於3。因此，使用者在觀看顯示區與黑色邊框區時，在視覺上可具有良好的一致性，而可符合高階車用的需求。In summary, in the display module of the embodiment of the present invention, since the absolute value of the average reflectance difference between the average reflectance of each display area and the average reflectance of the black frame area is less than 3%, and each display The chromaticity difference between the area and the black border area is less than 3. Therefore, the user can have good visual consistency when viewing the display area and the black frame area, which can meet the needs of high-end vehicles.

更詳細來說，在本發明實施例的顯示模組中，透過在觸控顯示區內設置第一、第二光學疊層，並將觸控感應層夾設於第一、第二光學疊層的設置方式以及相應的第一至第四折射率層的材料層的選用，並且透過非觸控顯示區內對應設置第一、第二光學疊層以及相應的第一至第四折射率層的材料層的選用，以達到光學匹配的效果。各顯示區的平均反射率與黑色邊框區的平均反射率之間的平均反射率差值的絕對值能夠小於1%，且各顯示區與黑色邊框區之間的色度差值能夠小於2而可達到更佳的平均反射率差值條件以及色度差值條件，因此顯示模組具有良好的視覺一致性。In more detail, in the display module of the embodiment of the present invention, the first and second optical stacks are arranged in the touch display area, and the touch sensing layer is sandwiched between the first and second optical stacks. And the corresponding selection of the material layers of the first to fourth refractive index layers, and correspondingly arrange the first and second optical stacks and the corresponding first to fourth refractive index layers through the non-touch display area The choice of material layer to achieve the effect of optical matching. The absolute value of the average reflectance difference between the average reflectance of each display area and the average reflectance of the black frame area can be less than 1%, and the chromaticity difference between each display area and the black frame area can be less than 2. It can achieve better average reflectance difference conditions and chromaticity difference conditions, so the display module has good visual consistency.

雖然本發明已以實施例揭露如上，然其並非用以限定本發明，任何所屬技術領域中具有通常知識者，在不脫離本發明的精神和範圍內，當可作些許的更動與潤飾，故本發明的保護範圍當視後附的申請專利範圍所界定者為準。Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the relevant technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The scope of protection of the present invention shall be determined by the scope of the attached patent application.

100、100a:顯示模組100, 100a: display module

110:顯示區110: display area

112、112a、112b、112c:第一顯示區112, 112a, 112b, 112c: the first display area

114、114c:第二顯示區114, 114c: second display area

120:黑色邊框區120: black border area

ADL1、ADL2:黏著層ADL1, ADL2: Adhesive layer

BM:黑色油墨BM: black ink

CG:保護玻璃CG: protective glass

DP1:第一顯示面板DP1: the first display panel

DP2:第二顯示面板DP2: second display panel

RL:折射率層RL: refractive index layer

RL1~RL4:第一至第四折射率層RL1~RL4: the first to fourth refractive index layers

OC:感光樹脂OC: photosensitive resin

OSL1、OSL1c:第一光學疊層OSL1, OSL1c: the first optical stack

OSL2、OSL2c:第二光學疊層OSL2, OSL2c: second optical stack

t、t _1u、t _1d、t ₁~t ₄:厚度t, t _1u , t _1d , t ₁ ~t ₄ : thickness

TSL:觸控感應層TSL: Touch sensing layer

VH:交通工具VH: Vehicle

圖1為本發明的一實施例的一顯示模組的應用於交通工具的示意圖。圖2A為圖1中的顯示模組的正面示意圖。圖2B為另一實施例的顯示模組的正面示意圖。圖3為圖1中的顯示模組在剖面A-A’的剖面示意圖。圖4是圖1中的第一、第二顯示區內的各元件的放大示意圖。圖5是圖1的顯示模組中的不同區域的反射率對量測波長的關係圖。圖6是本發明另一實施例的第一、第二顯示區內的各元件的放大示意圖。圖7A至圖7C為第一、第二顯示區內的各層的第一厚度組合及相應光學參數表。圖8A至圖8C為第一、第二顯示區內的各層的第二厚度組合及相應光學參數表。圖9A至圖9C為第一、第二顯示區內的各層的第三厚度組合及相應光學參數表。圖10A至圖10C為第一、第二顯示區內的各層的第四厚度組合及相應光學參數表。圖11A至圖11C為第一、第二顯示區內的各層的第五厚度組合及相應光學參數表。圖12A至圖12E分別為具有第一至第五厚度組合的不同區域的反射率對量測波長的關係圖。 FIG. 1 is a schematic diagram of a display module applied to a vehicle according to an embodiment of the present invention. FIG. 2A is a schematic front view of the display module in FIG. 1. FIG. 2B is a schematic front view of a display module according to another embodiment. FIG. 3 is a schematic cross-sectional view of the display module in FIG. 1 at the cross-section A-A'. FIG. 4 is an enlarged schematic diagram of each element in the first and second display areas in FIG. 1. FIG. 5 is a graph showing the relationship between the reflectivity of different regions in the display module of FIG. 1 and the measured wavelength. FIG. 6 is an enlarged schematic diagram of each element in the first and second display areas according to another embodiment of the present invention. 7A to 7C are tables of first thickness combinations and corresponding optical parameters of each layer in the first and second display areas. 8A to 8C are the second thickness combinations and corresponding optical parameter tables of the layers in the first and second display areas. 9A to 9C are the third thickness combinations and corresponding optical parameter tables of the layers in the first and second display areas. 10A to 10C are the fourth thickness combinations and corresponding optical parameter tables of the layers in the first and second display areas. 11A to 11C are the fifth thickness combination and corresponding optical parameter table of each layer in the first and second display areas. 12A to 12E are graphs showing the relationship between the reflectance of different regions having the first to fifth thickness combinations versus the measured wavelength, respectively.

100:顯示模組 100: display module

110:顯示區 110: display area

112、112a:第一顯示區 112, 112a: the first display area

114:第二顯示區 114: Second display area

120:黑色邊框區 120: black border area

ADL1、ADL2:黏著層 ADL1, ADL2: Adhesive layer

BM:黑色油墨 BM: black ink

CG:保護玻璃 CG: protective glass

DP1:第一顯示面板 DP1: the first display panel

DP2:第二顯示面板 DP2: second display panel

OSL1:第一光學疊層 OSL1: The first optical stack

OSL2:第二光學疊層 OSL2: second optical stack

TSL:觸控感應層 TSL: Touch sensing layer

Claims

一種用於交通工具的顯示模組，包括：多個顯示區；以及一黑色邊框區，圍繞該些顯示區，其中，各該顯示區的平均反射率與該黑色邊框區的平均反射率之間的一平均反射率差值的絕對值小於3%，且各該顯示區與該黑色邊框區之間的一色度差值小於3，其中，該些顯示區包括至少一第一顯示區，該至少一第一顯示區更包括一第一光學疊層、一第二光學疊層、一第一顯示面板以及一觸控感應層，該觸控感應層設置於該第一光學疊層與該第二光學疊層之間，且該第二光學疊層設置於該觸控感應層與該第一顯示面板之間，其中，該第一光學疊層更包括彼此堆疊的一第一折射率層與一第三折射率層，且該第一折射率層的折射率小於該第三折射率層的折射率，該第二光學疊層更包括彼此堆疊的一第二折射率層與一第四折射率層，其中該第二折射率層的折射率小於該第四折射率層的折射率。 A display module for vehicles includes: a plurality of display areas; and a black frame area surrounding the display areas, wherein the average reflectivity of each display area is between the average reflectivity of the black frame area The absolute value of an average reflectance difference is less than 3%, and a chromaticity difference between each of the display areas and the black frame area is less than 3, wherein the display areas include at least one first display area, and the at least A first display area further includes a first optical stack, a second optical stack, a first display panel, and a touch sensing layer. The touch sensing layer is disposed on the first optical stack and the second optical stack. Between the optical stacks, and the second optical stack is disposed between the touch sensing layer and the first display panel, wherein the first optical stack further includes a first refractive index layer and a first refractive index layer stacked on each other A third refractive index layer, and the refractive index of the first refractive index layer is smaller than the refractive index of the third refractive index layer, and the second optical stack further includes a second refractive index layer and a fourth refractive index layer stacked on each other Layer, wherein the refractive index of the second refractive index layer is smaller than the refractive index of the fourth refractive index layer.

如申請專利範圍第1項所述的顯示模組，其中各該顯示區的平均反射率與該黑色邊框區的平均反射率之間的一平均反射率差值的絕對值小於1%，且各該顯示區與該黑色邊框區之間的一色度差值小於2。 For the display module described in item 1 of the scope of patent application, the absolute value of an average reflectance difference between the average reflectance of each display area and the average reflectance of the black frame area is less than 1%, and each A chromaticity difference between the display area and the black frame area is less than 2.

如申請專利範圍第1項所述的顯示模組，其中該些顯示區包括至少一第二顯示區，其中該第一顯示區為觸控顯示區且該觸控感應層設置於該第一顯示面板上，且該第二顯示區包括一第二顯示面板。 The display module according to claim 1, wherein the display areas include at least one second display area, wherein the first display area is a touch display area and the touch sensing layer is disposed on the first display On the panel, and the second display area includes a second display panel.

如申請專利範圍第3項所述的顯示模組，其中該第一光學疊層更包括另一第一折射率層，該第三折射率層位於該另一第一折射率層與該第一折射率層之間。 The display module according to claim 3, wherein the first optical stack further includes another first refractive index layer, and the third refractive index layer is located between the another first refractive index layer and the first refractive index layer. Between refractive index layers.

如申請專利範圍第4項所述的顯示模組，其中該觸控感應層位於二該第一折射率層中的一者與該第二折射率層之間，且該第四折射率層位於該第二折射率層與該第一顯示面板之間。 The display module according to claim 4, wherein the touch sensing layer is located between one of the two first refractive index layers and the second refractive index layer, and the fourth refractive index layer is located Between the second refractive index layer and the first display panel.

如申請專利範圍第5項所述的顯示模組，其中該第一折射率層與該第二折射率層的材料包括二氧化矽、二氟化鎂或其組合，且該第三折射率層與該第四折射率層的材料包括五氧化二鈮、二氧化鈦、五氧化二鉭、氮化矽或其組合。 The display module according to item 5 of the scope of patent application, wherein the materials of the first refractive index layer and the second refractive index layer include silicon dioxide, magnesium difluoride or a combination thereof, and the third refractive index layer The material of the fourth refractive index layer includes niobium pentoxide, titanium dioxide, tantalum pentoxide, silicon nitride or a combination thereof.

如申請專利範圍第3項所述的顯示模組，其中該第二顯示區更包括彼此堆疊的一第一光學疊層與一第二光學疊層，其中，該第一光學疊層更包括彼此堆疊的一第一折射率層與一第三折射率層，且該第一折射率層的折射率小於該第三折射率層的折射率，其中，該第二光學疊層包括彼此堆疊的一第二折射率層與一第四折射率層，其中該第二折射率層的折射率小於該第四折射率層的折射率。 The display module according to claim 3, wherein the second display area further includes a first optical stack and a second optical stack stacked on each other, wherein the first optical stack further includes each other A first refractive index layer and a third refractive index layer are stacked, and the refractive index of the first refractive index layer is smaller than the refractive index of the third refractive index layer, wherein the second optical stack includes one stacked on each other The second refractive index layer and a fourth refractive index layer, wherein the refractive index of the second refractive index layer is smaller than the refractive index of the fourth refractive index layer.

如申請專利範圍第7項所述的顯示模組，其中該第一光學疊層更包括另一第一折射率層，該第三折射率層位於該另一第一折射率層與該第一折射率層之間。 The display module according to claim 7, wherein the first optical stack further includes another first refractive index layer, and the third refractive index layer is located between the another first refractive index layer and the first refractive index layer. Between refractive index layers.

如申請專利範圍第8項所述的顯示模組，其中該第二折射率層位於二該第一折射率層中的一者與該第四折射率層之間，該第四折射率層位於該第二顯示面板與該第二折射率層之間。 The display module according to item 8 of the scope of patent application, wherein the second refractive index layer is located between one of the two first refractive index layers and the fourth refractive index layer, and the fourth refractive index layer is located Between the second display panel and the second refractive index layer.

如申請專利範圍第7項所述的顯示模組，其中該第一折射率層與該第二折射率層的材料包括二氧化矽、二氟化鎂或其組合，且該第三折射率層與該第四折射率層的材料包括五氧化二鈮、二氧化鈦、五氧化二鉭、氮化矽或其組合。 The display module according to item 7 of the scope of patent application, wherein the materials of the first refractive index layer and the second refractive index layer include silicon dioxide, magnesium difluoride or a combination thereof, and the third refractive index layer The material of the fourth refractive index layer includes niobium pentoxide, titanium dioxide, tantalum pentoxide, silicon nitride or a combination thereof.

如申請專利範圍第1項所述的顯示模組，其中該交通工具為汽車、飛機、直升機、火車、船隻、太空船或火箭。For the display module described in item 1 of the scope of patent application, the vehicle is a car, airplane, helicopter, train, ship, space ship or rocket.